Either throw it right in the crock pot, or into a freezer bag to save for later!
2 lbs chicken breasts or thighs (bone-in or boneless)
salt and pepper
1 medium onion, cut into wedges or slices
1/2 cup dark beer or ale
3/4 cup barbecue sauce
Put chicken in freezer bag (or crock pot) and season with salt & pepper. Add onions. In a bowl, combine beer and barbecue sauce. Pour mixture over chicken and onions.
If frozen, thaw in refrigerator. Cook in crockpot on high for 3 hours or low 6 hours.