INGREDIENTS
3
lbs Ground beef chuck
2 cups
Baby spinach, packed
2
Beefsteak tomatoes, cut into 8 slices
1
Mushrooms
1
Mustard, Grainy
1
Red-pepper sauce, Roasted
2 2/3 tbsp
Worcestershire sauce
1
Salt and ground pepper, Coarse
1
Oil
8
Rolls or buns
4 oz
Blue cheese