Ingredients
Prep Time: 20 minutes
Total Time: 34 minutes
2 tablespoon and 2 teaspoon Worcestershire sauce
3 pound ground beef
Coarse salt and ground pepper
4 ounces blue cheese
Oil
8 rolls or buns, split
1 red onion, cut into thin slices
2 cups packed baby spinach
2 beefsteak tomatoes (sliced in 8 peace)
Grainy mustard
Sauteed mushrooms
Roasted red pepper sauce (optional)
Preparation