1-Add the beans, shortening, and milk to: Add the beans, shortening, and milk to a medium saucepan and heat over medium heat, stirring frequently, until smooth. Stir in the cheddar cheese and taco seasoning.
2-Cook the flour tortillas according to the: Cook the flour tortillas according to the package directions. Keep warm in a towel until ready to use.
3-To assemble the burritos, add ⅓ cup: To assemble the burritos, add ⅓ cup of beans to the center of a tortilla, then sprinkle with 2 tablespoons of cheddar cheese. Fold in the edges of the tortilla toward the center, then roll up, tucking in all of the filling.