preheat oven to 350°F.

dice the chicken breast.

in a saucepan over medium heat, mix the soup, onion, Rotel, cheez wiz, tabasco, and worcestershire sauce until blended

add salt and pepper to taste.

line the bottom of a casserole dish with the crushed tortilla chips.

place the chicken on top and pour over some of the mixture.

add a layer of half the cheddar.

repeat the process, topping with cheddar and mozzarella.

bake for 35-45 minutes, until bubbly.