Make dinner fun with these Bell Pepper Meatball Subs - a delicious low carb meal!   Keto Bell Pepper Meatball Subs Yields: 4 servings Prep Time: 10 minutes | Cook Time: 27 minutes  | Total Time: 37 minutes Ingredients: For the meatballs: 1 lb ground beef ⅓ cup almond flour ¼ cup parmesan cheese