Step 1

In a large pot, brown sausages on all sides.

Step 2

Add the peppers, onions, tomato puree and celery salt.

Step 3

Bring to a boil, then reduce heat to simmer and cover.

Step 4

Cook for 3-4 hours until sausages are cooked through and vegetables are tender.

Step 5

When ready to serve, warm the rolls in the oven or microwave along with some mozzarella cheese. Add the sausage and top with more cheese and sauce.