Preheat Oven To 350 Degrees F (175 Degrees C). In A Medium Size Microwave Safe Bowl, Combine The Processed Cheese Food, Sour Cream, 1 Can Of Soup, And Evaporated Milk. Stir Together, And Heat In Microwave Oven Until Smooth, Stirring At Intervals. Add Cumin To Taste, And Set Aside. In A Medium Size Bowl, Combine The Chicken, Remaining Can Of Soup, Shredded Cheese, And Green Chile Peppers. Drop Spoonfuls Of Chicken Mixture In Center Of Tortillas, And Roll Up. Place In A Lightly Greased 9X13 Inch Baking Dish. Pour Reserved Sour Cream Mixture Over All. Bake In The Preheated Oven For 20 Minutes.