Marinated Beef Roast - cooking recipe

Ingredients

5 lb. boneless rolled roast, sirloin tip or rump
1/2 c. butter, divided
3/4 c. light dry cooking sherry or dry vermouth
1 large onion, sliced (more if sweet)
2 Tbsp. Worcestershire sauce
juice of 1/2 lemon
1/2 tsp. salt
8 oz. sliced mushrooms, drained
3 beef bouillon cubes in 1 1/2 c. water (use mushroom juice, then rest of water)

Preparation

Brown meat in 1/4 cup butter.
Bake beef at 325\u00b0 uncovered for 2 hours.
Pour sherry over meat and bake 1 hour more.
Remove meat from oven; cool and slice, saving juice.