Gruyere & Caramelized Onion Tarts

• 1 large sweet onion, thinly sliced
• 2 tablespoons olive oil
• 1 tablespoon butter
• 3 garlic cloves, minced
• 1/4 teaspoon salt
• 1/4 teaspoon pepper
• 1 package (17.3 ounces) frozen puff pastry, thawed
• 1 cup shredded Gruyere or Swiss cheese
• 1/4 cup grated Parmesan cheese
• 2 tablespoons minced fresh thyme or 2 teaspoons dried thyme

1. 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.
2. Unfold each puff pastry sheet onto an ungreased
3. . 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.
4. Bake at 400u0b0 for 12-15 minutes or until golden brown. Cut each tart into 12 pieces. Serve warm.

sweet onion, olive oil, butter, garlic, salt, pepper, pastry, gruyere, parmesan cheese, thyme

Taken from www.tasteofhome.com/recipes/gruyere-caramelized-onion-tarts/ (may not work)