Fast food chains are battling for customers with budget-friendly menus. McDonald's, Dunkin', KFC, Subway, Taco Bell, and Wendy's all have new promotions to attract customers.

As for the Mexicana Beef Sub, it was tasty and the minced beef, peppers and onions worked nicely together. The Doritos, crunched up a bit and scattered along the length of the sandwich, added a nice ...