Crumble meat into 1-quart mixing bowl.
Microwave 4 minutes on HIGH, or until meat is set.
In 2-quart casserole, layer half the corn chips, half the meat, half the chili and half the tomato sauce.
Microwave 6 minutes on HIGH.
Sprinkle grated cheese on top.
Microwave 30 seconds on HIGH, or until cheese melts.