BBQ beef sandwiches

Why I Love This Recipe
Ingredients You'll Need
2-lb. beef chuck roast, cut crosswise into 1/4-inch slices
1/2 c. onion, chopped
2 cloves garlic, minced
2 c. catsup
1/4 c. brown sugar, packed
1/4 c. Worcestershire sauce
1 t. mustard
1/2 t. salt
1/4 t. pepper
6 to 8 onion buns, split
Directions
Combine all ingredients except buns in a slow cooker; mix well.
Cover and cook on low setting for 6 to 8 hours, stirring occasionally, until meat is tender.
Serve on buns.