PICANTE CHEESE DIP

* 1 1/2 pounds ground beef (browned)
* 1 can (11 oz.) cream of mushroom soup
* 2 pound processed cheese (Velveeta)
* 1 stick margarine
* 1 onion, chopped
* 2 tbsp. chili powder
* 1 cup picante sauce
Brown meat and onion. Drain. Add all ingredients to slow cooker/Crock Pot and cook on low heat until cheese melts, about 1 1/2 hours. Serve in slow cooker/Crock Pot with tortilla chips.