LAYER half each of the tortilla strips, sausage and cheese in 13x9-inch baking dish sprayed with cooking spray; repeat layers.
WHISK eggs, milk, chiles, garlic powder, cumin and pepper until blended; pour over ingredients in baking dish. Sprinkle with paprika. Refrigerate overnight.
HEAT oven to 350ºF. Spread tomatoes over casserole ingredients. Bake, uncovered, 45 to 50 min. or until center is set and edges are lightly browned.