• 20 bell pepper, tops cut off, seeded
• 2.3 kg ground beef, 85/15
• 0.6 l onion, diced
• 10 clove garlic, minced
• 1.8 l cooked rice, white or brown
• 1.2 l marinara sauce, plus extra for topping
• 1.2 l shredded mozzarella cheese, divided
• 5 tsp Italian seasoning
• 2½ tsp salt
• 1¼ tsp black pepper
• 5 tbsp olive oil

Metric measurements are approximate conversions.