Preheat oven to 250 degrees. In large shallow baking dish, melt together the butter, hot pepper sauce. Worcestershire sauce, chili powder and oregano. In large bowl, stir together all other ingredients. Add this to the melted butter mixture in the baking dish and toss to coat thoroughly. Bake for one hour, stirring every 10 minutes. Cool completely, store tightly covered. Makes 12 cups.