Best Barbecue Hickory-Smoked Brisket - cooking recipe

Ingredients

5 -6 lbs beef brisket, well trimmed
1 (1 1/4 ounce) envelope commercial onion soup mix (I use Onion Seasoning Mix Onion Seasoning Mix)
2 ounces bottled liquid smoke
1 1/2 cups barbecue sauce

Preparation

Place brisket on large piece of foil.
Sprinkle with onion seasoning and pour liquid smoke over, fold brisket in half if needed to make a compact packet that will fit in the crock pot.
Seal foil, place brisket in refrigerator overnight.
In the morning, place brisket in the crock pot on low heat, cook 8 hours.
Remove brisket, strain broth into glass jar.
Place brisket and broth in refrigerator and allow to cool completely.
Skim fat from broth and mix 1 1/2 cups broth with barbecue sauce.
Return the sliced brisket to crock pot and pour sauce over.
Turn on low and allow to cook for 4 to 6 hours.