Ingredients with Measurements:
- 1 sheet of puff pastry
- 2 large onions, thinly sliced
- 2 tablespoons of butter
- 1 tablespoon of olive oil
- 1 tablespoon of brown sugar
- 1 teaspoon of balsamic vinegar
- 1/2 teaspoon of salt
- 1/4 teaspoon of black pepper
- 1/2 cup of grated Knockanore Irish cheddar cheese
- 1 egg, beaten
Special equipment needed:
- Rolling pin
- Baking sheet
- Parchment paper
- Pastry brush
Step-by-step instructions:
1. Preheat the oven to 400°F.
2. Roll out the puff pastry on a lightly floured surface to fit the baking sheet. Transfer the pastry to the baking sheet lined with parchment paper.
3. In a large skillet, melt the butter and olive oil over medium heat. Add the sliced onions and cook until they are soft and caramelized, stirring occasionally.
4. Add the brown sugar, balsamic vinegar, salt, and black pepper to the skillet and stir to combine. Cook for an additional 5 minutes until the onions are dark and sticky.
5. Spread the caramelized onions evenly over the puff pastry, leaving a 1-inch border around the edges.
6. Sprinkle the grated Knockanore Irish cheddar cheese over the onions.
7. Brush the edges of the pastry with the beaten egg.
8. Bake the tart for 20-25 minutes until the pastry is golden brown and the cheese is melted and bubbly.
9. Remove the tart from the oven and let it cool for a few minutes before slicing and serving.
Time:
Preparation time: 15 minutes
Cooking time: 35 minutes
5. Temperature:
Preheat the oven to 400°F.
Serving size:
This recipe serves 4-6 people.
Nutritional information:
Calories: 350
Fat: 24g
Saturated Fat: 11g
Cholesterol: 85mg
Sodium: 450mg
Carbohydrates: 24g
Fiber: 2g
Sugar: 7g
Protein: 9g
Substitutions for ingredients:
- Puff pastry can be substituted with pie crust or phyllo dough.
- Knockanore Irish cheddar cheese can be substituted with any other type of cheddar cheese.
Variations:
- Add sliced mushrooms or diced bacon to the caramelized onions for extra flavor.
- Top the tart with fresh herbs like thyme or rosemary before baking.
- Use different types of cheese like blue cheese or goat cheese.
Tips and tricks:
- Make sure to cook the onions slowly over low heat to achieve a deep caramelized flavor.
- Use a sharp knife to slice the tart cleanly.
- 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 for 10-15 minutes until heated through.
Presentation ideas:
Serve the tart on a platter with fresh herbs and a drizzle of balsamic glaze.
Garnishes:
Garnish the tart with fresh thyme or rosemary.
Pairings:
Pair the tart with a green salad or roasted vegetables.
Suggested side dishes:
Serve the tart with a side of roasted sweet potatoes or mashed potatoes.
Troubleshooting advice:
If the pastry is not cooked through, cover the tart with foil and bake for an additional 5-10 minutes.
Food safety advice:
Make sure to cook the onions thoroughly to avoid any risk of foodborne illness.
Food history:
Knockanore Irish cheddar cheese is a traditional Irish cheese made from cow's milk.
Flavor profiles:
This tart has a sweet and savory flavor from the caramelized onions and salty cheese.
Serving suggestions:
Serve the tart as an appetizer or main dish.
Related Categories
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Region: Irish
Taste: Savory, Sweet, Caramelized, Oniony, Rich