• 30 bell pepper, tops cut off, seeded
• 3.4 kg ground beef, 85/15
• 0.9 l onion, diced
• 15 clove garlic, minced
• 2.7 l cooked rice, white or brown
• 1.8 l marinara sauce, plus extra for topping
• 1.8 l shredded mozzarella cheese, divided
• 7½ tsp Italian seasoning
• 3¾ tsp salt
• 1¾ tsp black pepper
• 7½ tbsp olive oil

Metric measurements are approximate conversions.