Ingredients with Measurements:
- 1 sheet of puff pastry, thawed
- 2 large onions, sliced
- 2 tbsp butter
- 1 tbsp olive oil
- 1 tbsp balsamic vinegar
- 1 tbsp brown sugar
- 1/2 tsp salt
- 1/4 tsp black pepper
- 3 oz Stilton cheese, crumbled
- 1 egg, beaten
Special equipment needed:
- Rolling pin
- Baking sheet
- Parchment paper
- Frying pan
Step-by-step instructions:
1. Preheat the oven to 400°F (200°C).
2. Roll out the puff pastry on a floured surface to fit the baking sheet. Place the pastry on the baking sheet lined with parchment paper.
3. In a frying pan, melt the butter and olive oil over medium heat. Add the sliced onions and cook for 10-15 minutes until they are soft and golden brown.
4. Add the balsamic vinegar, brown sugar, salt, and black pepper to the onions. Stir well and cook for another 5 minutes until the mixture is caramelized.
5. Spread the caramelized onion mixture over the puff pastry, leaving a 1-inch border around the edges.
6. Sprinkle the crumbled Stilton cheese over the top of the onions.
7. Brush the beaten egg over the edges of the pastry.
8. Bake the tart for 20-25 minutes until the pastry is golden brown and the cheese is melted.
9. Let the tart cool for 5 minutes before slicing and serving.
- Time:
Preparation time: 20 minutes
- Cooking time: 30 minutes
Temperature:
- Oven temperature: 400°F (200°C)
Serving size:
- 6 servings
Nutritional information:
- Calories: 320
- Fat: 22g
- Carbohydrates: 23g
- Protein: 7g
Substitutions for ingredients:
- Puff pastry can be substituted with pie crust or phyllo dough.
- Stilton cheese can be substituted with blue cheese or Gorgonzola.
Variations:
- Add sliced mushrooms to the caramelized onion mixture for extra flavor.
- Top the tart with chopped walnuts or pecans for crunch.
Tips and tricks:
- Make sure to leave a 1-inch border around the edges of the pastry to prevent the filling from spilling over.
- Use a fork to prick the pastry before adding the filling to prevent it from puffing up too much.
- Serve the tart warm or at room temperature.
Storage instructions:
- Store any leftover tart in an airtight container in the refrigerator for up to 3 days.
Reheating instructions:
- Reheat the tart in the oven at 350°F (180°C) for 10-15 minutes until heated through.
Presentation ideas:
- Serve the tart on a platter with a garnish of fresh herbs, such as parsley or thyme.
Garnishes:
- Fresh herbs, such as parsley or thyme.
Pairings:
- Serve the tart with a side salad or roasted vegetables.
Suggested side dishes:
- Mixed greens salad with a vinaigrette dressing
- Roasted Brussels sprouts with bacon
Troubleshooting advice:
- If the pastry is not cooked through, bake it for an additional 5-10 minutes until golden brown.
Food safety advice:
- Make sure to cook the onions until they are soft and caramelized to prevent any bacteria growth.
Food history:
- Stilton cheese is a type of blue cheese that originated in England in the 18th century.
Flavor profiles:
- The tart has a savory and slightly sweet flavor from the caramelized onions and tangy Stilton cheese.
Serving suggestions:
- Serve the tart as an appetizer or main course.
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Region: British