The BEST Freezer Stuffed Peppers - No Getting Off This Train

Ingredients

• 1 pound ground beef
• 1 yellow onion, diced
• 2 teaspoons olive oil
• 2 cloves garlic
• 1 cup uncooked brown instant rice (Standard rice is fine but will take longer to cook)
• 6 bell peppers, any color
• 15-ounce can diced tomatoes
• 8-ounce can tomato sauce
• 2 teaspoons Italian seasoning
• 1/2 teaspoon garlic powder
• 1/2 teaspoon chili powder
• 1/2 teaspoon salt
• 1/4 teaspoon pepper
• 1 cup shredded cheese, divided