Ingredients:
1 egg
200 ml (4/5 cup) milk
200 ml (4/5 cup) lukewarm water
10 g dry yeast
1 tbsp sugar
1 tsp salt
540 g (4 1/3 cups) flour
1 potato, chopped
1 red bell pepper, chopped
2 green bell peppers, chopped
1 onion, chopped
2 tbsp parsley, chopped
80 g mozzarella, chopped
