Stuffed Pizza Rolls

Name: Stuffed Pizza Rolls
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Cuisine: American
Ingredients: 1 11 oz package Sister Schubert's Parker House Style Yeast Rolls; 1 small sweet onion (diced); 1 small green bell pepper (seeded and diced); olive oil; salt and black pepper; 2 clove garlic (minced); 3/4 tsp dry Italian seasoning (divided); 1/2 lb lean ground beef; 1/2 lb spicy ground Italian sausage; 12 thick slices mozzarella cheese (divided); 1/2 cup pizza sauce (plus additional for serving); 3 Tbsp butter (melted); 1/4 tsp garlic salt; 1 Tbsp grated Parmesan cheese