Description
A buttery, flaky tart shell filled with caramelized onions, cream, eggs, and herbs. Savory, elegant, and perfect for brunch or a cozy lunch.
Ingredients
Units
Scale
For the Tart:
- 1 9-inch pie crust
For the Filling:
- 2 tbsp butter
- 3 medium yellow onions, thinly sliced
- 1 tsp thyme
- Salt & pepper to taste
- 3/4 cup heavy cream
- 2 eggs
- 1/2 cup grated gruyère or Swiss cheese
- Pinch of nutmeg
Instructions
- Preheat oven to 375°F (190°C).
- Sauté onions:
- Prepare filling:
- Assemble and bake:
Roll out and press crust into tart pan. Prick base with fork and prebake for 10 minutes.
Sauté onions in butter with thyme, salt, and pepper until deeply golden (20–25 mins).
In a bowl, whisk cream, eggs, cheese, nutmeg, and season to taste.
Spread caramelized onions into crust. Pour custard over. Bake 30–35 mins until set and golden. Cool slightly before serving.
- Prep Time: 20 minutes
- Cook Time: 60 minutes
- Category: Appetizer
- Method: Baking
- Cuisine: French
Nutrition
- Serving Size: 1 slice
- Calories: 320
- Sugar: 2g
- Sodium: 390mg
- Fat: 23g
- Saturated Fat: 13g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 23g
- Fiber: 2g
- Protein: 8g
- Cholesterol: 120mg