Onion-Beer Tri-Tip Roast               
Source: Oregon Beef Council

1 1/2 to 2 pounds beef tri-tip
1 cup onion, finely chopped
2 tablespoons butter
3/4 teaspoon salt
1 can (12 ounces) beer
Salt and pepper to taste

Trim excess fat from meat. Sauté onion in butter in small saucepan over medium heat until tender. Stir in salt and beer; simmer 5 minutes. Remove from heat; cool thoroughly. Place tri-tip in plastic bag; add cooled marinade turning to coat. Close bag securely and marinade turning to coat. Close bag securely and marinate in refrigerator 6-8 hours or overnight, turning occasionally. Remove roast from marinade reserving marinade. Grill 30 - 35 minutes, turning and brushing frequently with reserved marinade. Remove from grill and tent with foil for 10 minutes. Carve cross-grain. Season with salt and pepper. Serves 6.