It's so delicious that everyone wanted more! Best recipe I've ever cooked!

Ingredients:

300g penne pasta
salted water
1 large onion
oil
2 cloves of garlic
400 g of good quality sausage
1 large red pepper
1 yellow pepper
1 can of tomatoes
1 teaspoon of sweet paprika powder
1 teaspoon of Provençal herbs
1/2 teaspoon of sugar
1/2 teaspoon of salt
black pepper to taste
1 tablespoon melted butter
200 g of cheese
spring onions