Mix first three ingredients and spread 1/3 of mixture in the bottom
of an 11 x 7-inch microwave baking dish. Layer 2 corn tortillas
Combine next four ingredients with 1/4 cup of each shredded
cheese and spoon 1/2 of mixture over tortillas. Repeat layers, ending
with salsa mixture. Cover with plastic wrap and microwave on HIGH
for 10 to 12 minutes, rotating the dish during cooking.
sprinkle with remaining cheese. Let stand until cheese melts.