Crockpot Roast Beef

Description
My Mom makes this and it is good.
 * Contributed by World Recipes Y-Group

Ingredients

 * 1 (3 lbs) sirloin tip roast
 * ½ cup flour
 * 1 envelope dry onion soup mix
 * 1 envelope brown gravy mix
 * 2 cups ginger ale

Ingredients

 * 1) Coat roast with flour.
 * 2) Place in crock pot.
 * 3) Add mixture of soup mix, gravy mix, remaining flour and ginger ale.
 * 4) Cook on low for 8 – 10 hours or until roast is tender.