INGREDIENTS
1 1/2 lb
ground beef
1 tbsp
onion powder
1 tbsp
steak sauce
1 tsp
salt
1 tsp
black pepper
2 tbsp
butter
1 tbsp
olive oil
8
large shallots (thinly sliced)
1/4 cup
Coca-Cola
12
buns (or mini rolls, lightly toasted)
Cheese of choice (optional)