• 24 bell pepper, tops cut off, seeded
• 2.7 kg ground beef, 85/15
• 0.7 l onion, diced
• 12 clove garlic, minced
• 2.1 l cooked rice, white or brown
• 1.4 l marinara sauce, plus extra for topping
• 1.4 l shredded mozzarella cheese, divided
• 6 tsp Italian seasoning
• 3 tsp salt
• 1½ tsp black pepper
• 6 tbsp olive oil

Metric measurements are approximate conversions.