Easy BBQ Beef Sandwiches

1 (3- to 5-pound) chuck roast
1 can ginger ale
1 1/2 cups ketchup

Using an electric skillet brown beef on both sides. Mix ketchup and ginger ale together and pour over the browned beef. Cook for 7 hours at 200 degrees F. All the fat will separate and the ginger ale and ketchup will make a thick barbecue sauce.