Κοτόπιτα με στήθος γαλοπούλας, χωρίς φύλλο!!!!! Turkey breast pie, without foil!!!!!

Ingredients:

200 g turkey breast
1 green sweet pepper
1 small red pepper
½ cup shredded feta cheese
4 tbsp strained yogurt
1 egg
3 tablespoons of flour
½ tsp baking powder
Salt
Pepper
Paprika
Garlic powder
Οregano
Olive oil