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

Metric measurements are approximate conversions.