In a 10 skillet over medium heat, brown meat with onions,stirring occasionally, until no longer pink; drain. Stir in Taco Seasoning Mix and water. Add beans and cook on medium heat for 3-4 minutes, stirring occasionally, until most of the liquid is absorbed.
Serve on a Mission Whole Wheat Tortilla.
You may garnish with 2% Cheddar Cheese and a dollop of Fat Free Sour Cream.