Piccadilly Sauced Beef

The piccadilly sauce makes this dish,
spicy, salty and just sweet enough it's
fantastic tasting and the beef is tender.
This makes for a great beef sandwich.

Ingredients:
1 (3 pound) London broil steak
2 tablespoons unsalted butter
1 red onion, peeled, finely chopped
1 pound cremini mushrooms, sliced
4 roma tomatoes, chopped
16 ounces low-sodium beef broth
8 ounces chicken broth
1 teaspoon fresh parsley, chopped
1/4 cup chardonney wine
1 tablespoon arrowroot
1 teaspoon allspice
1/8 teaspoon freshly ground pepper
1/2 teaspoon salt or to taste

Directions:
Melt the butter in a heavy saucepan.
Add onions and mushrooms, saute until
tender soft. stirring frequently.
Add the tomatoes, Beef Stock, chicken stock,
parsley, wine, and pepper. Bring to a boil,
reduce heat, add London broil and simmer,
uncovered, for 1 hour. Remove London broil.
Dissolve the corn starch in cold water.
Add to the sauce in pan and cook over
medium heat, stirring constantly,
until the sauce thickens.
Add salt and pepper to taste.