These buns with a very tasty filling will drive you crazy! Super easy and delicious!

Ingredients:
● 4 rolls
● Tomato
● 200g ham
● 1/2 onion
● 1 cucumber
● Spring onions
● 150g mozzarella cheese
● Salt and black pepper
● Sweet paprika
● Italian herbal mixture
● 2 tablespoons mayonnaise
● 1 egg