Boil the water in the microwave then stir in the bullion cubes break the bullion cubes up in the water to create a paste.
To a large bowl, add in the pinto beans, corn tomato paste, rotel, bullion broth and seasoning. Stir well.
Spray a casserole dish with nonstick spray then add the casserole in spread it out. Sprinkle the cheese over the top bake it for 30-35 minutes and enjoy.