Recipe
1. Preheat oven to 200°C. In a pie dish, place the pastry. Chop the cheese.
2. Cut the bacon and onion into pieces and cook with the butter. Let it cool.
3. In a bowl, mix the eggs, sour cream, and cheese. Add salt and pepper.
4. First, pour the bacon and onion onto the pastry, then the mixture, slowly.
Finally, bake in the oven for 40 to 50 minutes (depending on the oven).