Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      pound         hamburger
   1      small         onion -- chopped
   8      ounces        Velveeta
   8      ounces        Monterey Jack w/jalapenos
  15      ounce         stewed tomatoes
  10 1/2  ounce         mushroom soup

Preparation:

Brown hamburger and onion in skillet. Place in crockpot, on high heat, add cubed cheeses and stir occasionally until melted. Add tomatoes and soup. Heat through. Reduce heat to low to keep dip warm.