Simple Tomato and Mustard Tart

Simple Tomato and Mustard Tart

Today’s inspiration..! French Cuisine. A simple tomate and mustard tarte.

Few year ago, I discovered in France  a savory tart “tarte à la tomate”. I felt in love with it.

The French tart is basically made with red tomatoes, Dijon mustard and fresh herbs. The base is the classic Pâte Brisée. 

There are a lot of variations to this tart. some recipes include tuna others add zucchini, etc.

I will keep it simple, using Pâte Brisée ready-made and few fresh ingredients.

What are the main ingredientes for the tomato and mustard tart ?

1)   Ripe tomatoes. Different varieties of tomatoes offer a more complex flavor. 

2)  Grated cheese. My choice was a mix of grated Comté + Emmental (French cheeses).

3) Red onion rings.

4) Dijon Mustard

5) Pâte Brisée

6) Fresh Thyme

¿How to assemble the tomato and mustard tart?

prepare this tart is so easy that while my daughter was assembly the tart I was shooting all the process.

Let’s begin: Unroll the Pâte Brisée (ready made ) on the tart mold, add a layer of Dijon mustard.

Add the grated cheese. Placed a first layer of the tomato slices. Then place the Onion Rings.

Cover the onions with a second layer of tomatoes , to protect them to be burn in the oven. Add fresh thyme, a pinch of salt and drizzle wit olive oil on top.

Bake until golden brown and the tomatoes are cook. If the Pâte Brisée is golden brown and the tomatoes are not cook. Cover with tin foil and bake extra time.

Simple tomate and mustard tarte . celestial beam photography

Simple Tomato and Mustard Tart

savory tart, side dish
Prep Time 20 mins
Cook Time 30 mins
Total Time 50 mins
Course side dish
Cuisine French


  • oven, round tart mold 28 cm


  • 1 roll Pâte Brisée  31 cm diameter
  • 5 Ripe tomatoes
  • 1 Onion
  • ½ cup grated comté cheese 
  • ½ cup grated Emmental cheese
  • Dijon mustard enough to cover the bottom of the tart
  • olive oil drizzle
  • salt pinch
  • Black pepper to your taste
  • Fresh Thyme to your taste


  •  Pre heat the oven at 180 degC. 
  •  Unroll the Pâte Brisée on the mold and perforate the bottom with a fork.
  • Cover the bottom with Dijon mustard
  • Add the grated cheese 
  • Add a first layer of tomato, add the onion rings. Finally add a second layer of tomato slices, covering the onion rings. 
  •  Drizzle with olive oil, add a pinch of salt and black pepper
  • Sprinkle with fresh thyme.
  • Bake for 20 – 30 min @ 180 degC. Until the Pâte Brisée is golden brown and the tomatoes are cook.


If the Pâte Brisée is golden brown and the tomatoes need extra time to be cook, cover the tart with tin foil until ready.
 Eat cold or hot. It paired perfectly with salmon or leafy green salad.
Keyword fast, simple, tart

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