INGREDIENTS
2
lbs Ground beef
8 oz
Mushrooms, White
1/2
Onion, whole Medium
2 tbsp
Ketchup
1/3 cup
Mayonnaise
8 dashes
Worcester sauce
1
Black pepper, Freshly Ground
1 tsp
Cayenne pepper
1 tsp
Kosher salt
1
Kosher salt and freshly ground black pepper
4 tbsp
Butter
4 tbsp
Heavy whipping cream
4
slices Swiss cheese
1/2 cup
White or red wine
8
Whole dinner (or slider) rolls, split