Country Brisket - cooking recipe

Ingredients

3 1/2 to 4 lb. brisket
1 Tbsp. powdered orange drink or frozen concentrate
1 large onion, minced
1/3 c. catsup
1 Tbsp. liquid smoke
1 1/2 tsp. barbecue seasoning spices (or pepper, cayenne, garlic salt and mild chile pepper)

Preparation

Marinate brisket for at least 1 hour in 1 cup of buttermilk; wipe dry.
Mix all other ingredients and work into brisket.
Cook at 275\u00b0, uncovered, until done, or wrap in foil and cook at 375\u00b0 for 3 1/2 hours.
Pour drippings in gravy boat and serve with meat.