1 lb. ground beef
1 qt. canned squash (well drained)
8 oz. sour cream
2 c. cubed Velveeta cheese
2 tbsp. cornstarch
Chili powder and cumin to taste

Brown ground beef with salt, chili powder and cumin. Mix sour cream, cheese and cornstarch in separate bowl. Layer squash, sour cream mixture and meat in casserole dish. Sprinkle with Parmesan cheese and bake until bubbly.