-can refried beans
-any taco condiments you have on hand
-taco seasoning (or GF homemade)
Shred chicken after cooked and mix with taco seasoning. Warm up refried beans.
Slap some refried beans on your tostada. Then throw some chicken on top. Then top with any condiments you might have (black olives, salsa, sour cream, etc.)
VERY fast, and easy and good.