Preheat oven to 400 degrees Fahrenheit. Begin by washing and drying the potatoes, then cutting them into bite-sized chunks. In a a large bowl, stir together salt, pepper, chili with beans, diced tomatoes with green chiles and cream cheese. Add potatoes to bowl and toss to coat completely.
Pour into a greased 8x8 casserole dish, cover with foil, and bake for approximately one hour, or just until potatoes are fork tender.
While the potatoes are baking in the oven, cook taco meat according to directions on the website listed in the ingredients section above.
For the last ten minutes before casserole is done, sprinkle meat mixture on top and top meat mixture with cheese. Return to oven and bake, uncovered, until cheese melts and meat is warm. Serve and enjoy!