Preheat oven to 400°F Coat 9-inch-square baking dish with spray.
Preheat large, nonstick sauté pan on medium 2-3 minutes. Place meat in pan; brown 5-7 minutes, stirring to crumble meat, or until no pink remains. Drain fat. Stir taco seasoning and 1 cup tomatoes into meat. Remove meat mixture from pan.
Add vegetable blend to same pan; cook and stir 1-2 minutes or until hot. Stir in 1/2 cup salsa con queso; cook 1 minute or until thoroughly heated. Remove pan from heat and set aside.
Spread 1/2 cup enchilada sauce over bottom of dish; top with 1 tortilla, 1/4 cup cheese, then 1 1/2 cups meat mixture, spreading meat out evenly. Place another tortilla on top; top with 1/4 cup cheese and 1 cup vegetables. Repeat layers.
Top with remaining tortilla, 3/4 cup enchilada sauce, 1/2 cup tomatoes, and 1 cup cheese. Cover dish with foil; bake 30 minutes.
Remove foil; bake 10 more minutes or until bubbly. Let stand 10 minutes to cool. Top with guacamole. Serve.
Nutritional Information: CALORIES (per 1/9 recipe) 400kcal; FAT 19g; CHOL 55mg; SODIUM 1040mg; CARB 36g; FIBER 5g; PROTEIN 22g; VIT A 15%; VIT C 15%; CALC 25%; IRON 15%.