5. Prepare the sauce
Heat the olive oil in a saucepan over medium heat.
Add the chopped onion and cook for three to four minutes. Add the garlic and cook for another 30 seconds.
Stir in the tomato sauce, tomato paste, water or broth, paprika, sugar, salt, and black pepper.
Let the sauce simmer for approximately five minutes.
6. Arrange the rolls
Spread a small amount of tomato sauce across the bottom of a large cooking pot or baking dish.