1 (19 oz.) pkg. yellow cake mix
1/2 c. butter, melted
1 egg
1 (14 oz.) can pumpkin pie mix
2 eggs
2/3 c. milk
1/2 c. sugar
1 tsp. cinnamon
1/4 c. butter

Preheat oven to 375 degrees. Butter bottom only of 13 x 9 inch baking pan. Reserve 1 cup cake mix for topping. In bowl combine remaining cake mix, melted butter and 1 egg. Press into bottom of pan. In another bowl combine pumpkin pie mix, 2 eggs and milk and mix until smooth. Pour over crust. In small bowl combine reserved cake mix, sugar, and cinnamon. Cut in the 1/4 cup butter. Sprinkle over pumpkin mixture. Bake 45-50 minutes, until knife inserted near center comes out clean. Serve with whipped cream or ice cream.