Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon
caramelized onion tart

Caramelized Onion Tart: 7 Reasons You’ll Love This Delight

  • Author: Lisa
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Total Time: 55 minutes
  • Yield: 8 servings 1x
  • Category: Main Dish
  • Method: Baking
  • Cuisine: French
  • Diet: Vegetarian

Description

A savory tart featuring sweet caramelized onions and a flaky crust.


Ingredients

Scale
  • 1 pie crust
  • 4 large onions, thinly sliced
  • 2 tablespoons olive oil
  • 1 tablespoon butter
  • 1 teaspoon salt
  • 1 teaspoon sugar
  • 1 cup grated cheese (like Gruyère or goat cheese)
  • 3 eggs
  • 1 cup heavy cream

Instructions

  1. Preheat your oven to 375°F (190°C).
  2. Heat olive oil and butter in a skillet over medium heat.
  3. Add the onions, salt, and sugar. Cook until onions are caramelized, about 25 minutes.
  4. Roll out the pie crust and place it in a tart pan.
  5. Spread the caramelized onions evenly over the crust.
  6. In a bowl, whisk together eggs and heavy cream. Pour over the onions.
  7. Top with grated cheese.
  8. Bake for 30-35 minutes, until the tart is set and golden.
  9. Let cool for a few minutes before slicing and serving.

Notes

  • For a richer flavor, use a mix of different cheeses.
  • Serve warm or at room temperature.

Nutrition

  • Serving Size: 1 slice
  • Calories: 350
  • Sugar: 5g
  • Sodium: 450mg
  • Fat: 25g
  • Saturated Fat: 12g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 30g
  • Fiber: 2g
  • Protein: 8g
  • Cholesterol: 120mg

Keywords: caramelized onion tart, savory tart, onion tart, French tart