Description
A vibrant, healthy savory appetizer featuring crispy golden puff pastry squares topped with slow-balsamic-caramelized yellow and red onions, melted Gruyère cheese, and fresh thyme.
Ingredients
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1 lb frozen puff pastry.
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2 yellow onions.
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2 red onions.
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1 cup shredded Gruyère cheese.
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1 tbsp fresh thyme leaves.
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2 tbsp olive oil.
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1 tbsp unsalted butter.
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1 tsp balsamic vinegar.
Instructions
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Roll out the thawed puff pastry sheet cut into 32 squares and freeze on a tray for 20 minutes to lock the fats.
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Sauté thin yellow and red allium slices in olive oil and butter for 10 minutes until a soft texture forms.
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Mix in salt sugar and balsamic vinegar then simmer on low for 30 minutes until a dark caramelized amber peak is reached.
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Brush the frozen pastry borders with an egg wash mixture to ensure a professional-grade shimmer crust layer for your French Onion Bites.
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Stack a spoonful of the sweet cooked alliums shredded cheese and fresh thyme leaves into the center well of each square.
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Bake at 425F (220C) for 15 minutes until the pastry is puffed golden and the cheese layer reaches a bubbly artisanal finish.
Notes
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Chilling the cut dough squares in the freezer before topping is the secret to a professional-grade rise for these French Onion Bites.
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Calcium-rich Gruyère cheese provides a sophisticated and fat-heavy foundation while adhering to dietary rules.
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This dish is naturally pork-free and perfect for holiday social gatherings.
- Prep Time: ~ 20 mins.
- Cook Time: ~ 30 mins.
- Category: Appetizer.
- Method: Sautéing/Baking.
- Cuisine: French-American Bistro.
Nutrition
- Serving Size: ~ 2 individual pastry bite pieces.
- Calories: ~ 135 kcal.
- Sugar: ~ 2 g.
- Sodium: ~ 110 mg.
- Fat: ~ 9 g.
- Saturated Fat: ~ 4 g.
- Unsaturated Fat: ~ 5 g.
- Trans Fat: ~ 0 g.
- Carbohydrates: ~ 11 g.
- Fiber: ~ 1 g.
- Protein: ~ 3 g.
- Cholesterol: ~ 15 mg.
Keywords: French Onion Bites, Caramelized Onion Tarts, Healthy Appetizer Ideas, Puff Pastry Squares, Baked Alpine Cheese Snacks, New York Recipe.