Caramelized Onion Tartlets
Caramelized Onion Tartlets are a delightful blend of flaky pastry and sweet, savory filling, perfect for any occasion. Each bite offers a heavenly combination of caramelized onions, rich cheese, and aromatic herbs. These tartlets are not only visually stunning but also incredibly easy to make, making them an ideal appetizer or snack for gatherings, dinner parties, or cozy nights in. With their irresistible flavor, they are sure to impress family and friends alike.
- Prep Time: 20 minutes
- Cook Time: 20 minutes
- Total Time: 40 minutes
- Yield: Makes approximately 12 tartlets 1x
- Category: Appetizer
- Method: Baking
- Cuisine: American
Ingredients
Scale
- 1 sheet frozen puff pastry (thawed)
- 2 large sweet onions (e.g., Vidalia or Walla Walla), thinly sliced
- 2 tbsp extra virgin olive oil
- 2 tbsp balsamic vinegar
- 1 tsp fresh thyme leaves
- Salt and pepper to taste
- ½ cup Gruyère or goat cheese (for topping)
Instructions
- Heat olive oil in a skillet over medium heat. Add sliced onions and sprinkle with salt. Cook, stirring occasionally, until golden brown (15–20 minutes).
- Stir in balsamic vinegar; simmer until most liquid evaporates (3–5 minutes). Remove from heat.
- Preheat oven to 400°F (200°C). Roll out puff pastry on a floured surface and cut into squares that fit muffin tins.
- Press pastry squares into greased muffin tin cups; prick the bottoms with a fork.
- Fill each pastry shell with caramelized onion mixture and top with cheese if desired.
- Bake for 15–20 minutes or until golden brown.
Nutrition
- Serving Size: 1 tartlet (45g)
- Calories: 150
- Sugar: 3g
- Sodium: 180mg
- Fat: 9g
- Saturated Fat: 2g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 14g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 5mg
Keywords: Experiment with different cheeses like feta or mozzarella for varied flavors. For added texture, mix in sautéed spinach or mushrooms. Store leftovers in an airtight container in the fridge for up to three days; reheat at 350°F until warm.