• 5 bell pepper, tops cut off, seeded
• 0.6 kg ground beef, 85/15
• 150 ml onion, diced
• 2½ clove garlic, minced
• 0.4 l cooked rice, white or brown
• 0.3 l marinara sauce, plus extra for topping
• 0.3 l shredded mozzarella cheese, divided
• 1¼ tsp Italian seasoning
• ⅔ tsp salt
• ⅓ tsp black pepper
• 1¼ tbsp olive oil

Metric measurements are approximate conversions.