Bacon Onion Tart

* Use a pre-made tart crust
* 3 thick-cut bacon slices, chopped
* 1 large onion, thinly sliced
* Pinch of sugar
* 1 cup whipping cream
* 1 large egg
* 1 large egg yolk
* 1/4 teaspoon ground black pepper
* Generous pinch of salt
* Generous pinch of ground nutmeg
* 1/2 cup (packed) coarsely grated Gruyère cheese


For filling:
Sauté bacon in medium skillet over medium heat until crisp, about 4 minutes. Transfer bacon to paper towels to drain. Add onion and pinch of sugar to drippings in skillet and sauté until onion is deep golden brown, about 20 minutes. Whisk cream, egg, egg yolk, pepper, salt, and nutmeg in small bowl to blend. Spread onion over bottom of baked crust; sprinkle bacon over, then cheese. Pour cream mixture over.

Bake until tart is puffed and filling is set, about 25 minutes. Cool tart on rack 10 minutes. Remove pan sides. Serve warm or at room temperature.