Name: Authentic Schuesser mat Zwiwwelen (Luxembourgish Onion Tart)
Prep time: 20 min
Cook time: 50 min
Yield: 6
Cuisine: Luxembourg
Ingredients: 1 sheet (approx. 250g) puff pastry, thawed if frozen; 5 large yellow onions (approx. 800g), thinly sliced; 3 tablespoons unsalted butter; 2 tablespoons olive oil; 1 teaspoon granulated sugar; 1/2 teaspoon salt, plus more to taste; 1/4 teaspoon black pepper, freshly ground; 2 large eggs; 200 ml heavy cream (or crème fraîche); 100 ml whole milk; 100g Gruyère cheese, grated; 1 tablespoon fresh thyme leaves (or 1 teaspoon dried thyme); Pinch of nutmeg

Schuesser mat Zwiwwelen 🇱🇺 Luxembourg

Luxembourgish onion tart often made with puff pastry, caramelized onions, and a creamy filling, creating a savory and indulgent dish.

Tart Onions

Made with

Puff pastry caramelized onions creamy filling

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