An Onion and Gruyere puff pastry tart served with a simple salad and mustard dressing

Fennel, Onion and Gruyere Tart Recipe

Name: Fennel, Onion and Gruyere Tart
Prep time: 10 min
Cook time: 30 min
Total time: 30 min
Cuisine: French
Ingredients: black pepper (to taste); 10 grams brown sugar; 15 grams butter; 100 grams cherry tomatoes; 0.5 whole cucumber; 1 whole egg; 1 bulb fennel (bulb); 4 sprig fresh thyme; 20 grams gruyere cheese; 0.75 tbsp honey; 2 tbsp olive oil; 3 tsp pesto; 10 grams plain flour; 160 grams puff pastry; 3 whole red onions; 40 grams Salad leaves; salt (to taste); 0.5 tbsp white wine vinegar; 1 tsp wholegrain mustard

30 Minutes

Serves: 4

Crisp fennel, onion and gruyere tart, puff pastry base coated in pesto and topped with roasted fennel, red onions, thyme and gruyere cheese. The tart is served with a simple salad and a spicy mustard dressing

Recipe Ingreds

Pastry

1 whole egg
10 grams plain flour
160 grams puff pastry

Tart

black pepper (to taste)
15 grams butter
1 bulb fennel (bulb)
4 sprig fresh thyme
20 grams gruyere cheese
3 tsp pesto
3 whole red onions
salt (to taste)
10 grams brown sugar

Salad

100 grams cherry tomatoes
0.5 whole cucumber
40 grams Salad leaves

Dressing

black pepper (to taste)
0.75 tbsp honey
1 tsp wholegrain mustard
2 tbsp olive oil
salt (to taste)
0.5 tbsp white wine vinegar

Recipe with pictures Steps

Step 1

remove the pastry from the freezer

Step 2

peel and finely slice the onion(s)
peel and finely slice the fennel

Step 3

melt the butter in the frying pan
Add the onion and fennel to the frying pan
cook until soft
set the oven to 180C 350F or gas mark 5

Step 4

line a baking tray with greaseproof paper
lightly dust a clean work surface with flour
roll out the pastry into a rectangle 3 mm thick
score a 2 cm border around the rectangle
prick the pastry inside the rectangle only
place on a baking tray

Step 5

beat the egg
Egg wash the border of the pastry
place in the oven
cook for 10 mins

Step 6

while the pastry is cooking

Step 7

add the sugar to the fennel and onions
cook the vegetables till they are covered in a light caramel

Step 8

season with salt and pepper

Step 9

wash and remove the thyme leaves from their stalks
add the thyme to the onions and fennel
cook for a minute or two
set a side on a plate
grate the cheese

Step 10

remove the pastry from the oven
prick the pastry inside the rectangle only
using a fork squash the centre down
set the oven to 200C 400F or gas mark 6

Step 11

spread the pesto inside the pastry case
spread the onions and fennel over the pastry
add the cheese
place in the oven
cook for 5 mins
until golden brown

Step 12

mix the dressing ingredients together in a bowl

Step 13

wash mixed leaves and place in a serving bowl.
place a cross on the top of the cucumber
then slice the cucumber to form quarters
sprinkle over the salad leaves
wash the cherry tomatoes and then slice in half
sprinkle over the salad leaves

Step 14

remove the tart from the oven
cut the tart into slices
place the tart on a serving plate
add the salad

Recipe Utensils

1 baking tray
2 chopping board
1 fork
1 frying pan
1 grater
1 grease proof paper
3 large knife
1 pastry brush
1 rolling pin
2 small bowl

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How to make fennel, onion and gruyere tart

The fennel and onion are lightly fried and caramelised with thyme leaves. The puff pastry base is pre-cooked and then coated in pesto before adding the caramelised vegetables and the gruyere cheese, bake for 10 minutes. Serve warm with a salad of lettuce, tomatoes and cucumber and a mustard dressing.

When and how to serve French red onion tart

A simple puff pastry tart is perfect for an easy evening meal paired with a simple salad and a tasty homemade dressing. This recipe is also great for a brunch or lunch main course. This dish is suitable to serve all year round and makes a food starter for a French dinner party.

What makes our recipe the best

This onion and gruyere tart use a vegetable that is not commonly used fennel, this vegetable has a delicious subtle aniseed taste and matches perfectly with roasted onions and pesto.

Other fennel and vegetable puff pastry recipes

Puff pastry Butternut Squash Tart with leeks and Brie

courgette and fennel soup

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20 Minutes