Tortilla Lasagna

This recipe is from Taste of Home, the Simple and Delicious imprint, Feb. 2008 issue. As usual, I made some changes.

1 lb ground beef - You could make it with turkey to make this lighter.
1 cup water
1 envelope taco seasoning
1/2 tsp garlic powder
12 oz sour cream - We used light.
1 1/2 tsp chili powder
2 cups shredded Mexican cheese - We used reduced-fat
2 cups shredded cheddar cheese
1 tbsp cornmeal
10 flour tortillas (6 in.) - We used multi-grain
1 jar salsa - We used 16 oz. jar - Original recipe calls for 8 oz. but we felt like we needed more.
1 small onion

Cook beef until no longer pink. Add water, taco seasoning, and garlic powder. Meanwhile, in a small bowl, combine sour cream and chili powder. In a large bowl, combine cheeses. Sprinkle cornmeal into 9 x 13 baking dish. Layer tortillas in the bottom; cover with 1/2 of the salsa. Cover with sour cream mixture and meat mixture. Sprinkle with 1/2 of the cheese mixture. Repeat layers. Bake uncovered at 375 degrees for 40 minutes--let stand before serving. Tasty!