Caramelized Onion Tart with Gruyere

Name: Caramelized Onion Tart with Gruyere
Prep time: 10 min
Cook time: 45 min
Total time: 55 min
Cuisine: American, French
Ingredients: 1 sheet puff pastry (Trader Joe's puff pastry works great here); 3 large onions (yellow or sweet) (thinly sliced); 1 tbsp olive oil; 1 tbsp butter; 4 sprigs fresh thyme; ¼ tsp salt; ½ cup gruyere cheese (grated )

Instructions

Prep:10minCook:45min

Sweet caramelized onions and gruyere cheese on flaky puff pastry. All the flavors of French onion soup in an easy appetizer! Make it as one large tart or individual bites.

Updated at: Mon, 22 Dec 2025 02:20:17 GMT