Mix squash and 1 Tbsp. of the brown sugar; place in 8-inch square baking pan sprayed with cooking spray.
Mix remaining 2 Tbsp. brown sugar with cereal, pecans and cinnamon. Add margarine; mix well. Sprinkle over squash mixture.
Bake at 350°F for 15 minutes or until squash mixture is heated through and top is lightly browned.
Best of Season: When fresh squash is in season, use it instead of the frozen squash. Cut 2 lb. fresh squash into cubes. Cook in boiling water for 30 minutes or until tender; drain. Continue as directed.
Nutrition Bonus: In just 20 minutes, you can have this hearty side dish on the table – from start to finish! And, the winter squash is a good source of vitamins A and C.