Open can of chili beans, pour onto a plate, stir and mash with a fork, if desired.
Place tortilla on a microwavable plate.
Divide mashed beans into 4 quarters. Spread 1/4 of the mashed chili beans on center of a tortilla.
Sprinkle 1/4 cup cheese on top.
Microwave on low power until cheese melts.
Spoon 1/4 cup salsa over cheese, top with 1/2 cup lettuce.
Fold bottom of tortilla up about 1 inch, fold other tortilla sides over to enclose filling in a pocket. Turn burrito over.
Assemble and heat 3 more burritos.
Cut each in to 6 servings. Serve warm.