• 28 bell pepper, tops cut off, seeded
• 3.2 kg ground beef, 85/15
• 0.8 l onion, diced
• 14 clove garlic, minced
• 2½ l cooked rice, white or brown
• 1.7 l marinara sauce, plus extra for topping
• 1.7 l shredded mozzarella cheese, divided
• 7 tsp Italian seasoning
• 3½ tsp salt
• 1¾ tsp black pepper
• 7 tbsp olive oil

Metric measurements are approximate conversions.