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Hungry Healthy Happy » Recipes » Party Food

Easy Mushroom Tartlets

Oct 15, 2021 · Written by Dannii Martin · This post may contain affiliate links which earn us commissions if purchases are made · 5 Comments

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Diet: Vegetarian
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Easy Mushrooms Tartlets with a text title overlay.

These little bite-sized mushroom tartlets are bursting with flavour and perfect for serving up at a party. Flakey puff pastry cups stuffed with caramelised onions, mushrooms and thyme and topped with stilton cheese and them baked until crispy. Make a double batch of these, as one is never enough!

Twelve small mushroom tarts on a wooden serving board.

Just 7 ingredients go in to making these little mushroom tartlets, but actually you could get away with making them with just the pastry, mushrooms and cheese. But, we wanted to make these a little extra and the thyme and the base of the caramelised onions really just add something special.

We think these are perfect for a Christmas party, but really they are great for any occasion. They are ready in just 30 minutes, and some of it can be prepared in advance, which is ideal when you don't want to spend the whole time in the kitchen.

Puff pastry tarts are always our go-to for party food. There is just so much that you can do with puff pastry. If you are looking for other ways to use it, why not try our Cheese and Onion Pasty, Tomato Puff Pastry Tart, Cheese Straws, Easy Asparagus Tart, Vegetarian Vol au Vents or Christmas Sausage Rolls?

Jump to:
  • Why you will love them
  • Ingredients needed
  • Step by step
  • Health benefits of mushrooms
  • What mushrooms to use
  • How to clean mushrooms
  • Variations
  • What to serve with mushroom tartlets
  • Frequently Asked Questions
  • Extra tips
  • More party food recipes
  • Recipe
  • Feedback

Why you will love them

  • Perfect party food - These are so easy to put together, it doesn't matter if they look a bit messy, and you can make them whilst chatting to guests too. That, and they fact that they are delicious, makes them perfect for party food.
  • A good way to use up mushrooms - Got lots of mushrooms left in your fridge? This is a really easy way to use up a lot of them. You can use any mushrooms in these too.
  • Adaptable - Once you have the puff pastry, mushrooms and cheese, then these are really easy to adapt. Different mushrooms and cheese, there are a few options below.
  • Can be made in advance - You can make the mushroom mixture in advance and store in the fridge until you are ready to making up the mushroom tartlets.

Ingredients needed

All the ingredients needed for this recipe with text overlay labels.
  • Puff pastry - Yes, we "cheated" and we used store bought ready rolled puff pastry. We have made it ourselves before, but honestly we couldn't taste any difference for the amount of effort it took. Using store bought pastry makes these super quick and easy to make.
  • Mushrooms - The key to making this dish really delicious is using a selection of different mushrooms. This will ensure that the dish has plenty of texture. You can use just the cheapest mushrooms, which would make these budget friendly.
  • Oil - We cooked the onions and mushrooms in olive oil.
  • Onion - The caramelised onions, although they add to the cooking time, do add a nice layer to these mushroom tartlets. You could swap the onions for shallots, which would give a sweeter flavour.
  • Garlic - Freshly crushed is always best, however you could use ready crushed in a jar, or even frozen garlic. If you are crushing it yourself, then make sure it is finely crushed, almost like a paste, as it will ensure an even distribution of the garlic in the mushrooms.
  • Stilton - This is optional, but honestly we think it's essential. I know, that's a contradiction. Mushrooms and Stilton are a delicious combination and the Stilton on top of this adds SO much flavour, and makes them a little more special, perfect for the festive season. We have some options of other cheese you can use below too.
  • Thyme - Like the Stilton, this is option. But thyme goes really well with mushrooms and we find that it adds a little freshness to the tartlets.

A full ingredients list with measurements is in the recipe card below.

Step by step

One: Preheat your oven to 200°C/180°C(fan)/400°F/Gas 6. Heat the oil in a pan over a low heat. Add the onions and cook on low for 10 minutes, until golden brown.

Two shot collage of sliced onions in a frying pan, before and after cooking.

Two: Add the mushrooms, garlic, thyme and salt and pepper. Cook for a further 5 minutes.

A frying pan containing cooked onions, sliced mushrooms and thyme leaves.

Three: Cut the pastry into twelve 7.5cm/3in disks. Brush a little oil into a twelve hole muffin tin and press the pastry disks in.

Two shot collage of a sheet of puff pastry cut into circles then put into a muffin tin.

Four: Add two tablespoons of the mushroom mixture to the pastry and brush the edges of the pasty with egg. Crumble over the Stilton. Put in the oven for 15-18 minutes.

Two shot collage of the pastry filled with cooked mushrooms, then with crumbled cheese on top.

Health benefits of mushrooms

Mushrooms are a good source of vitamin D, and are actually one of the only non-animal sources of the vitamin. Whether grown inside or outside, they are exposed to UV light which increases their concentration of vitamin D.

Mushrooms are really nutritious too and a great source of B vitamins and potassium. Just be careful with how much cheese you load on top of them, as that can really bump the calories of these up.

What mushrooms to use

To make these mushroom tartlets really special, you want to use a selection of mushrooms that all have different textures. We have used chestnut mushrooms, shiitake and mini portobello mushrooms. But you can really use any kind of edible mushrooms. Oyster mushrooms add a great flavour too.

To make it as cheap as possible, I would use the standard white mushrooms that you find in the supermarket. But, if you budget does allow a little bit more, then using a selection of more exotic mushrooms will really make a difference to the dish.

How to clean mushrooms

You should just be able to give them a quick rinse and then use a paper towel to wipe away any dirt on the mushrooms. You don't want to put too much water on them though, as they will soak it up and you will have a lot of liquid in the pan.

If there is a lot of dirt on the mushrooms, then you could peel them.

A small mushroom tart topped with a small sprig of thyme.

Variations

Vegetables - As we have mentioned above, the mushrooms themselves can be changed and you can use any edible mushroom. Using a mixture of mushrooms gives a lovely mixture of textures. We have added a layer of caramelised onions, but you can leave these out if you are short on time.

If you wanted to give these mushroom tartlets a green vegetable boost, you can finely chop some spinach and add it to the pan near the end of the mushroom cooking time. You don't want to overload the puff pastry though, as it is quite fragile and this is meant to be finger food.

Cheese - The cheese is optional, but not only does it help to hold the mushrooms together, but it does make these a little more special. We used stilton, because it has a really strong flavour, and it goes so well with mushrooms. But you could swap it for a mature cheese, parmesan or gruyere.

Larger tart - We have served these are mini tartlets, however you could make it as one large tart and slice it up if you are serving it for a sit down meal. Make a boarder around the puff pastry sheet (so the sides puff up) and use a fork to prick the centre area of the pastry (so it doesn't puff up) and add the whole mixture to the middle and then put on a baking tray and bake for around 25 minutes.

What to serve with mushroom tartlets

These are meant to be served as party food, but if you wanted to serve them up as a meal with a few side dishes, then we have you covered. There mushroom tartlets go perfectly with the following:

  • Garlic Spring Greens
  • Roasted Tenderstem Broccoli
  • Easy Hasselback Potatoes
  • Celeriac Chips
  • Crispy Garlic Smashed Potatoes
  • Little Gem Salad
  • French Fries with our Homemade French Fry Seasoning.
  • Air Fryer Carrots
  • Roasted Lemon Asparagus
A wooden board full of small mushroom tarts.

Frequently Asked Questions

Are mushroom tartlets healthy?

Mushrooms have lots of health benefits which have been discussed above. However these are quite high in calories due to the puff pastry and stilton, so portion control is key. However, you could lower the calories and fat by using reduced fat cheddar. Use a mature cheddar, as the strong flavour means that you can use less of it. Add some extra vegetables to give it a nutritional boost too.

Can you make mushroom tartlets in advance?

We prefer to eat these warm, or just cooled, rather than cold from the fridge. So whilst we wouldn't recommend completely cooking them and putting in the fridge until ready to serve (although you can), you can make the mushroom mixture before and store it in the fridge until you are ready to make up the mushroom tartlets.

How to store mushroom tartlets.

These are best eaten straight after cooking, however if you do have leftovers (this has never happened at any of our parties, in fact, I often have to make more), then they can be stored in an air tight container in the fridge for up to 3 days.

Can you freeze mushroom tartlets?

Yes, these freeze really well. We individually wrap them and then put them in a freezer bag and they keep in the freezer for up to 3 months.

How to reheat mushroom tartlets.

Make sure they are fully defrosted and then you can put them in the oven for 5 minutes, until the cheese melts again and they are heated through. You can also put them in the microwave for 30 seconds.

Are mushroom tartlets gluten free?

If you use gluten free puff pastry and make sure that there is no cross contamination, then these can be gluten free.

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Extra tips

• We have used a full 375g pack of puff pastry in the recipe, however you won't need to use all of it as you trim some of it off. The nutritional information reflects this.
• We recommend getting the puff pastry out of the fridge for 10 minutes before using, just so it doesn't crack. However, don't get it out of the fridge for more than 30 minutes before you are going to use it, as it becomes very soft and difficult to handle.
• Make sure to chop the mushrooms fairly small, so they can pack neatly in to the puff pastry cuts. Save time by chopping them all in a food processor, or even grating them. They don't need perfect shapes, as they all shrink when cooking anyway.
• You don't even need to use a muffin tin for these. You could just put the circles of pastry on a lined baking tray and then add a spoonful of the mushroom mixture, leaving a boarder. These will still puff up to be little tartlets, they just won't be cups like in our photos.

More party food recipes

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    BBQ Baked Chicken Wings
  • Puff pastry cheese straws on a wooden board.
    Cheese Straws
  • Cranberry and Brie Bites on a wooden serving board.
    Cranberry Brie Bites
  • Ten baked jalapeno poppers on a wooden board.
    Baked Jalapeno Poppers

If you’ve tried these mushroom tartlets, let us know how you got on in the comments below.
Tag us in your creations on Instagram @hungryhealthyhappy - Use the hashtag #hungryhealthyhappy too.

Recipe

Easy Mushroom Tartlets on a wooden board.

Easy Mushroom Tartlets

By: Dannii Martin
These bite-sized mushroom tartlets are bursting with flavour and perfect for serving up at a party. Make a double batch of these, as one is never enough!
An illustration of a v-shaped plant.
Vegetarian
5 from 6 votes
Pin Print Save recipe Saved!
Course: Appetizer, Party Food
Cuisine: British
Prep: 5 minutes mins
Cook: 30 minutes mins
Total: 35 minutes mins
Servings: 12 servings
Calories: 145kcal
Allergens:
An illustration of a carton of milk.
Dairy
An illustration of two ears of wheat.
Gluten

Ingredients

  • 375 g (13 oz) Puff pastry
  • 2 tablespoon Olive oil
  • 1 Onion - thinly sliced
  • 2 Garlic clove - crushed
  • 230 g (8 oz) Mixed mushrooms - sliced
  • 3 g (3 tablespoon) Fresh thyme - leaves only
  • 80 g (2.75 oz) Stilton - crumbled
  • 1 pinch Sea salt and ground black pepper

Instructions

  • Preheat your oven to 200°C/180°C(fan)/400°F/Gas 6.
  • Heat 2 tablespoon Olive oil in a pan over a low heat. Add 1 Onion and cook on low for 10 minutes, until golden brown.
  • Add 230 g Mixed mushrooms, 2 Garlic clove, 3 g Fresh thyme and 1 pinch Sea salt and ground black pepper. Cook for a further 5 minutes.
  • Cut 375 g Puff pastry into twelve 7.5cm/3in disks. Brush a little oil into a twelve hole muffin tin and press the pastry disks in.
  • Add two tablespoons of the mushroom mixture to the pastry and brush the edges of the pasty with egg. Crumble in 80 g Stilton.
  • Put in the oven for 15-18 minutes.

Recipe Tips

  • We have used a full 375g pack of puff pastry in the recipe, however you won't need to use all of it as you trim some of it off. The nutritional information reflects this.
  • We recommend getting the puff pastry out of the fridge for 10 minutes before using, just so it doesn't crack. However, don't get it out of the fridge for more than 30 minutes before you are going to use it, as it becomes very soft and difficult to handle.
  • Make sure to chop the mushrooms fairly small, so they can pack neatly in to the puff pastry cuts. Save time by chopping them all in a food processor, or even grating them. They don't need perfect shapes, as they all shrink when cooking anyway.
  • You don't even need to use a muffin tin for these. You could just put the circles of pastry on a lined baking tray and then add a spoonful of the mushroom mixture, leaving a boarder. These will still puff up to be little tartlets, they just won't be cups like in our photos.

Nutritional Information

Serving: 1tartlet | Calories: 145kcal | Carbohydrates: 11g | Protein: 4g | Fat: 9g | Saturated Fat: 6g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 5g | Cholesterol: 5mg | Sodium: 235mg | Potassium: 92mg | Fiber: 1g | Sugar: 2g | Vitamin A: 63IU | Vitamin C: 1mg | Calcium: 40mg | Iron: 1mg

The nutritional information provided is approximate and is calculated using online tools. Information can vary depending on various factors, but we have endeavoured to be as accurate as possible.

As all appliances vary, cooking times are a guide. Please note that by changing the serving size, the cooking time may also need to be altered.

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Comments

  1. sue says

    October 19, 2021 at 1:02 pm

    5 stars
    We're big mushroom lovers in this house, so I know these will be a hit. Planning on making them this week!

    Reply
  2. Tavo says

    October 19, 2021 at 12:23 pm

    5 stars
    We love blue cheese and mushrooms. This looks like the perfect party food. The tartlets look so flaky and yummy!

    Reply
  3. Danielle Wolter says

    October 19, 2021 at 11:41 am

    5 stars
    I just loooooove mushrooms! These tarts were so good and ultra easy to make - thanks!

    Reply
  4. Heather Perine says

    October 19, 2021 at 11:20 am

    5 stars
    These are so pretty and elegant. I'm going to save these to make for a Thanksgiving appetizer! Can't wait to try :)

    Reply
  5. sonia says

    October 19, 2021 at 10:52 am

    these mushroom tartlets are really delicious, all my family enjoyed them

    Reply
5 from 6 votes (2 ratings without comment)

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My name is Dannii. Here you will find easy family recipes with a healthy twist.

Established in 2011, Hungry Healthy Happy has become one of the UK's most popular food blogs, with two successful recipe books published.

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