Stuffed Bell Peppers

Name: Stuffed Bell Peppers
Prep time: 15 min
Cook time: 1 h
Total time: 1 h 15 min
Cuisine: American
Ingredients: 6 whole bell peppers (can use 8 if needed); 3 tbsp. olive oil, divided; 8 oz. lean ground beef; Salt and pepper, to taste; 1 medium onion, chopped; 3 cloves garlic, finely chopped; 1 large zucchini, diced; 4 roma tomatoes, diced; 1 c. cooked rice (mix of white and brown is fine); 2 c. shredded pepper jack cheese, divided