@Judi The tortills at Taco Bell are lard-free and so are the beans.
Here is the ingredients list for Taco Bell tortillas: Tortilla
Enriched Bleached Wheat Flour (Flour, Niacin, Reduced Iron, Thiamine, Mononitrate, Riboflavin, Folic Acid), Water, Ground Corn treated with Lime, Vegetable Oil (Cottonseed Oil, Citric Acid), Contains less than 2% of the following: Salt, Fumaric Acid, Calcium Propionate and Potassium Sorbate (use as Preservatives). CONTAINS: WHEAT Enriched Bleached Wheat Flour (Flour, Malted Barley Flour, Niacin, Reduced Iron, Thiamine, Mononitrate, Riboflavin, Folic Acid), Water, Ground Corn treated with Lime, Vegetable Oil (contains one or more of the following: Corn Oil, Soybean Oil) with TBHQ and Citric Acid (to preserve freshness), contains 2% or less of the following: Salt, Calcium Propionate and Potassium Sorbate (to preserve freshness), Furmaric Acid, Dough Conditioner. CONTAINS: WHEAT Enriched Bleached Wheat Flour (Flour, Niacin, Reduced Iron, Thiamine, Mononitrate, Riboflavin, Folic Acid), Water, Ground Corn treated with Lime, Vegetable Oil (contains Soybean Oil) contains 2% or less of the following: Salt, Calcium Propionate, Potassium Sorbate (to preserve freshness), Furmaric Acid. CONTAINS: WHEAT Enriched Bleached Wheat Flour (Flour, Niacin, Reduced Iron, Thiamine, Mononitrate, Riboflavin, Folic Acid), Water, Ground Corn treated with Lime, Vegetable Oil (Cottonseed Oil, Citric Acid), contains less than 2% of the following: Salt, Fumaric Acid, Calcium Propionate and Potassium Sorbate (use as Preservatives). CONTAINS: WHEAT *Will Contain One Of The Ingredient Statements Above, Depending Upon Regional Suppliers
You can see a complete list of ingredients in Taco Bell menu items here