Best Gruyere Caramelized Onion Tarts Recipes

GRUYERE & CARAMELIZED ONION TARTS

Steps:

• In a large skillet, saute onion in oil and butter until softened. Reduce heat to medium-low; cook, uncovered, for 40 minutes or until deep golden brown, stirring occasionally. Add garlic; cook 1 minute longer. Stir in salt and pepper., Unfold each puff pastry sheet onto an ungreased baking sheet. Using a knife, score decorative lines around the edges of each pastry. Spread onion mixture to within 1/2 in. of edges. Sprinkle with cheeses and thyme., Bake at 400° for 12-15 minutes or until golden brown. Cut each tart into 12 pieces. Serve warm.

CARAMELIZED ONION AND APPLE TARTS WITH GRUYERE AND THYME

Steps:

• In a large fry pan over medium heat, warm the oil. Add the onions and the 1 tsp. salt and cook, stirring occasionally, until the onions are golden brown, about 30 minutes. Transfer to a large bowl and let the filling cool to room temperature. Position 1 rack in the upper third and 1 rack in the lower third of an oven and preheat to 400°F. Line 2 baking sheets with parchment paper. In the same pan over medium heat, melt the butter. Add the apples and sugar and stir to coat the apples. Cook, stirring, until the apples are just starting to caramelize and have softened, about 10 minutes. Transfer to the bowl with the onions and stir in the cheese, chives, thyme and the 1/8 tsp. pepper. Cut the puff pastry into 2-inch squares and place on the prepared baking sheets, spacing the squares about 1 inch apart. Brush the pastry squares with the egg mixture and place a heaping 1 Tbs. filling in the center of each square. Season with salt and pepper. Bake, rotating the baking sheets from top to bottom and front to back halfway through baking, until the pastry is crisp underneath and golden brown on top, about 25 minutes. Transfer the baking sheets to wire racks and let the tarts cool to room temperature. Serve at room temperature. Makes 32 tarts.

CARAMELIZED ONION AND GRUYERE TARTS

Steps:

• Make the tarts; heat oven to 400 degrees. Mix gruyere, cream cheese, mustard, oregano, and pepper in a small bowl and set aside. Melt butter in a large skillet, add onions and cook, stirring occasionally over medium low heat until dark brown and caramelized, about 1 hour. Stir in the thyme and set aside. With a sharp knife, cut the puff pastry dough into 8 equal sized pieces. Roll each piece out to an 8x6 rectangle. Spread about 1/4 cup of the cheese mixture on the dough, leaving a 1/2 inch border all the way around. Top with 1/4 cup of the caramelized onions and 1 T of the olives. Bake tarts on parchment lined baking pans for 10 minutes. Reduce oven temperature to 375 degrees and bake until puffed and golden about 12 more minutes. To freeze tarts; Place uncooked tarts on parchement lined baking sheets, cover with plastic wrap and freeze until solid, about 2 hours. Wrap each frozen tart securely in freezer paper or aluminum foil and stack them in an airtight container. Store frozen for up to 2 months. To serve, bake frozen tarts at 400 degrees for 12 minutes, reduce oven temperature to 375 degrees and bake until puffed and golden about 15 more minutes