Meatball Sandwich Recipe | Home Pressure Cooking

Ingredients

• 1 lb ground beef
• 1 cup breadcrumbs
• 1 egg (beaten)
• 1 tsp garlic powder
• 1 tsp onion powder
• 1 tsp salt
• 1/2 tsp black pepper
• 1 cup marinara sauce
• 4 hoagie rolls (split)
• 1 cup mozzarella cheese (shredded)