Caramelized Onion & Mustard Tart Recipe

Name: Caramelized Onion & Mustard Tart
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 50 g butter; 1 tablespoon olive oil; 4 large yellow onions, sliced; 1 garlic clove, crushed; 2 eggs; 2 egg yolks; 50 g coarse grain mustard; 142 ml double cream (US, heavy cream); 2 tablespoons of fresh mint, chopped; 1 pie crust

Servings: persons

50 g butter
1 tablespoon olive oil
4 large yellow onions, sliced
1 garlic clove, crushed
2 eggs
2 egg yolks
50 g coarse grain mustard
142 ml double cream (US, heavy cream)
2 tablespoons of fresh mint, chopped
1 pie crust

1
Melt the butter with the oil in a large frying pan over medium-low heat. Add the onions and garlic. Season to taste with salt & pepper and cook for 30 minutes, stirring often, until golden. Take off heat and set aside.
2
Preheat the oven to 200u00b0C Line a pie pan or loose bottomed tart tin with the pastry/pie crust. Line with greaseproof paper (wax paper) and fill with beans and bake for 15 minutes. Remove the paper and beans and cook for another 10 minutes until golden.
3
Lower the oven temperature to 180u00b0C In a bowl, whisk together the eggs, yolks, mustard and cream. Stir in the onions and the chopped mint.
4
Spoon the mixture into the pie/pastry crust and bake for 20 minutes or until just set. Cool slightly before serving.

474

kcal

Calories

Fat

Carbs

Protein

Fat Carbs Protein

* Per serving · 4 servings · Values may vary.

No additional tips available.

No specific allergen information. Please check the ingredient list for possible allergens.

How did you like this recipe?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

You need 10 ingredients. The key ingredients include: 50 g butter, 1 tablespoon olive oil, 4 large yellow onions, sliced, 1 garlic clove, crushed, and more.

Yes, Caramelized Onion & Mustard Tart falls under the Baking & Desserts category and is a great choice for this type of meal.

Store in an airtight container at room temperature for up to 3–5 days. For longer storage, freeze for up to 3 months — no need to refrigerate or reheat.

Caramelized Onion & Mustard Tart

How did you like this recipe?

Frequently Asked Questions