Usual burger fixings
Sliced tomatoes
Lettuce
Hamburger buns (preferably whole wheat)
2 tablespoons Canola
1 Egg
1/2 cup Chopped fresh parsley
1/2 teaspoon Worcestershire sauce
Freshly ground pepper
Salt
1/2 cup Finely chopped onion
1 pound Roasted mushroom base
1 pound Lean ground beef