Name: Cast Iron Burgers
Prep time: 12 min
Cook time: 8 min
Yield: 4 servings
Ingredients: 1 pound grass-fed 80% lean ground beef; 1 small onion (grated); 1/2 tablespoon Worcestershire sauce; 1/2 tablespoon coconut aminos; 1 teaspoon Montreal steak seasoning; 4 slices American cheese; 4 buns; 4 tablespoons mayo; 2 tablespoons ketchup; 1 tablespoon mustard; 4 lettuce leaves; 4 tomato slices; 4 white onion slices