Mushroom caps filled with apples and mozzarella

Ingredients:

• mushroom caps, big ones
• mushroom stumps sliced 
• 1 mozzarella ball chopped fine
• 1 small onion chopped fine
• 1 apple chopped fine
• 10 dkg of ham or bacon
• fresh rosemary leaves
• salt, pepper, olive oil 

Wash the mushroom and remove the stumps gently. Pour a bit of olive oil in a fireproof dish and put the caps in it. Chop the onions fine and start cooking them in a bit of olive oil. Meanwhile chop the bacon or ham, the apples, the mushroom stumps and the mozzarella fine. The rosemary leaves also need to be choopped really fine. When the onion is half way done, add the bacon, the mushrooms and the apples, and cook them together until the apple gets soft a bit. Add some salt and pepper and the rosemary. Stuff the caps with the mixture and cook it in the oven at 180 deg Celsius for 15-20 minutes.