Heart Attack Burger
Prep Time: 15 min
Cook Time: 25 min
Ingredients
- ✓ 1 ½ pounds ground chuck
- ✓ ¼ cup butter
- ✓ 8 slices white bread
- ✓ 8 slices American cheese
- ✓ 2 tablespoons butter
- ✓ 1 large onion, sliced