• 13 bell pepper, tops cut off, seeded
• 1½ kg ground beef, 85/15
• 0.4 l onion, diced
• 6½ clove garlic, minced
• 1.2 l cooked rice, white or brown
• 0.8 l marinara sauce, plus extra for topping
• 0.8 l shredded mozzarella cheese, divided
• 3¼ tsp Italian seasoning
• 1⅔ tsp salt
• ¾ tsp black pepper
• 3¼ tbsp olive oil

Metric measurements are approximate conversions.