Preheat oven to 350 degrees F.
Saute the squash in a little vegetable oil over medium-low heat until it has completely broken down, about 15 to 20 minutes. Line a colander with a clean tea towel. Place the cooked squash in the lined colander. Squeeze excess moisture from the squash. Set aside.
In a medium size skillet, saute the onion in butter for 5 minutes. Remove from pan and mix all ingredients together except cracker crumbs. Pour mixture into a buttered casserole dish and top with cracker crumbs. Bake for 25 to 30 minutes.
Mix ingredients together and store in an airtight container for up to 6 months.
Yield: 1 1/2 cups