
Ingredients portion 6
Onions 600 g
Puff pastry 350 g
Salt to taste
Vegetable oil 4 tablespoons
Ground black pepper to taste
Walnuts 50 g
Balsamic vinegar ½ tablespoon
Hard cheese 150g
Cooking instructions 30 minutes
1 Preheat the oven to 200 degrees.
2 Roll out the puff pastry and place on the greased baking tray.
3 Peel and slice the onion into thin rings. Saute the onions in the vegetable oil for 10 minutes. Season with salt and pepper and drizzle with balsamic vinegar.
4 Place the onion filling on the pastry, sprinkle with the grated cheese and chopped walnuts. Bake for 15 to 20 minutes.