Walking Taco Doritos Casserole It’s taco Tuesday and we couldn’t wait to try the new Doritos late night taco flavor so we used them in a fun casserole dish. This is the “taco in a bag” concept but in casserole form. We love the simplicity of this one especially for taco Tuesday and it’s super quick and easy to make. Everyone will love the crunchy chips and melty cheese combined with the creamy beef for a super fun taco Tuesday dinner. 1bag taco flavored Doritos 1 1/2 lb ground beef 1/2 onion cho