Fill crockpot with meat (get some roasts on sale anc trim them of fat, cut in pieces to fit in crockpot)
Season well with garlic salt and pepper.
Add:
2 - 4 chopped onions
1 14 - 16oz bottle Barbecue Sauce
1/4 tsp liquid smoke (optional)
Cook all day on low until meat falls apart.
Make sandwiches.