Beer Marinade Steak

Ingredients
3 lb sirloin steak, 2" thick
1 can beer (12 oz)
1/2 cup chili sauce
1/4 cup salad oil
2 teaspoon soy sauce
1/2 cup coarsely chopped onion
2 cloves garlic, crushed
1 teaspoon salt
1/2 teaspoon pepper
1 teaspoon dijon mustard

Directions
In a sauce pan, mix beer, chili sauce, salad oil, soy sauce, onion, galic, and mustard; simmer 30 minutes. Brush meat with sauce. Place steak on grill. Cook 15 minutes on each side, basting frequently with sauce. Season with salt and pepper right before serving.