Wash the courgettes and slicing them in half, then cut the inside of them. Put them in a preheated oven to bake for about 20 minutes with a little water and olive oil. During this time steam with 3-4 tbsp olive oil onion, spinach and courgettes inside for about 15 minutes. After removing from the heat of the mixture add the cottage cheese, the feta cheese and spices to taste. If the feta cheese is savory, can not add salt. With the finished filling fill courgettes and then adding another 3-4 tbsp olive oil, put back in the oven to constipation for about 20 minutes. About 5 minutes before removing them put processed cheese on top. Serve warm or cold.