You are here: Home » Recipes » Southwestern Spinach Lasagna Southwestern Spinach Lasagna Recipe by Relish ContributorKitchen Tested Yield 8 servings This easily layered dish is a nice alternative to traditional lasagna. PrintEmail Ingredients 1 onion, chopped1 cup skim milk2 tablespoons all-purpose flour1 (10-ounce) package frozen chopped spinach, thawed1 (10-ounce) can tomato and green chiles, drained Salt and pepper to taste10 tortillas2 cups shredded reduced-fat Monterey Jack cheese1 cup fat-free sour cream Instructions Preheat oven to 350F. In a nonstick skillet coated with nonstick cooking spray, saute onion until tender. In a small bowl, mix together the milk and flour and add to the sauteed onion. Cook over medium heat until thickened. Meanwhile, cook spinach according to package directions, drain well. Add spinach and tomatoes and continue heating until thick. Season with salt and pepper to taste. In a 2-quart baking dish, layer tortillas, spinach layer, cheese, and sour cream; repeating layers. Bake 30 minutes or until cheese melts.