Bitter Greens and Mushroom Tartlets with Gruyère
These elegant tartlets feature a savory crust filled with tender sautéed bitter greens like radicchio and endive, complemented by earthy mushrooms and rich, nutty Gruyère cheese. A sophisticated appetizer or light dinner, they offer a delightful balance of bitter and umami flavors.

Prep Time
45 min
Difficulty
Easy
Servings
6
Calories
280 kcal
Instructions
- 1
Preheat oven to 375°F (190°C). Lightly grease 6 tartlet pans.
- 2
Roll out the puff pastry and cut out circles to fit the tartlet pans. Press the pastry into the pans and trim any excess.
~5 min - 3
Heat olive oil in a frying pan over medium heat. Add chopped shallots and cook until softened, about 3 minutes.
~3 min - 4
Add minced garlic and sliced mushrooms to the pan. Cook until mushrooms are browned and tender, about 5-7 minutes.
~7 min - 5
Add chopped radicchio and endive to the pan. Cook until wilted, about 3-4 minutes.
~4 min - 6
Remove the pan from heat. Stir in half of the grated Gruyère cheese.
~1 min - 7
In a mixing bowl, whisk together eggs and heavy cream. Season with salt and pepper.
~2 min - 8
Divide the vegetable and mushroom mixture evenly among the tartlet shells. Pour the egg and cream mixture over the vegetables.
~3 min - 9
Sprinkle the remaining Gruyère cheese over the top of each tartlet.
~1 min - 10
Bake for 20-25 minutes, or until the pastry is golden brown and the filling is set.
~25 min - 11
Let cool slightly before serving.
~5 min
Tips
- For a richer flavor, you can add a splash of dry white wine to the mushrooms as they cook.
- These tartlets are best served warm, but leftovers can be stored in an airtight container in the refrigerator for up to 2 days and reheated gently in the oven.
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