3-4 lb. brisket
1 pkg. taco seasoning
1 pkg. dry onion soup mix
1 bottle Bar-B-Q seasoning
1 tbsp. lemon pepper
1 tbsp. chili powder
1 tbsp. seasoned salt
1 tbsp. celery salt
Garlic salt
1 bottle liquid smoke
1 tbsp. rosemary

Marinade overnight. Wrap in foil and bake at 325 degrees for 4 hours.