1 package Aunt Millie’s Hearth Classic White Hamburger Buns
1 lb. ground beef
½ small onion, minced
½ c. Parmesan cheese, grated
24 mini mozzarella cheese balls
1 egg, beaten
1 tbsp. Italian Seasoning
½ tsp salt
½ tsp pepper
½ c. marinara sauce
4 slices lettuce
Preheat grill or medium pan over medium heat.
Gently combine first nine ingredients (excluding buns) and shape into 4 patties.
Grill patties over medium-high heat for 7-8 minutes per side until desired degree of doneness.
Meanwhile, heat the marinara sauce in a saucepan over low heat.
Top each bun with a slice of lettuce, a burger, and desired amount of marinara sauce.