1 lb ground beef
1/2 cup chopped onion
1 pkg (16-oz) frozen corn
1 can black beans
1 can chili beans
1 can pinto beans with jalapeno
1 can diced tomatoes
1 pkg taco seasoning mix
1 soup can water
Brown the ground beef and onion together in a skillet, stirring to break up meat. Pour into a colander and drain well.
In the crockpot or slow cooker, combine the drained beef and onions, corn, all the beans, and the tomatoes. In a small bowl, stir the water into the taco seasoning mix and blend well; pour over the ingredients in the crockpot.
Place lid on cooker and cook about 3 hours on low or 1 to 1 1/2 hours on high or until heated through and flavors have a chance to blend.