1. Preheat oven to 350 and grease a 2-1/2 quart casserole dish with nonstick cooking spray. Set aside. 2. Add eggs to a large bowl and beat well. 3. Add sugar, butter, pineapple and cinnamon to mixing bowl and mix well. Use a stand mixer if needed. 4. Fold in bread and mix to evenly coat. 5. Pour into prepared baking dish. 6. Bake for 30-35 minutes or until knife inserted in the center comes out clean. Remove from oven and let stand to cool until warm. Serve warm topped with whipped topping if desired.