• 27 bell pepper, tops cut off, seeded
• 3.1 kg ground beef, 85/15
• 0.8 l onion, diced
• 13½ clove garlic, minced
• 2.4 l cooked rice, white or brown
• 1.6 l marinara sauce, plus extra for topping
• 1.6 l shredded mozzarella cheese, divided
• 6¾ tsp Italian seasoning
• 3⅓ tsp salt
• 1⅔ tsp black pepper
• 6¾ tbsp olive oil

Metric measurements are approximate conversions.