Slow Cooker Meatball Subs

Ingredients

• 1 pound 90% lean ground hamburg
• 4 cloves of garlic (minced)
• 1/2 cup Italian style breadcrumbs
• 1 egg (slightly beaten)
• 1/2 cup grated Parmesan cheese
• 1 cup shredded Mozzarella cheese (separated plus extra for topping if desired)
• 1 tsp. oregano
• 1 tsp. basil
• 1/4 tsp. salt
• 1/4 tsp. pepper
• 1/4 tsp. onion powder
• 1 24 oz. jar of Tomato Basil Marinara Sauce
• 1 14.5 oz can of Basil (Oregano & Garlic Diced Tomatoes)