1/2 c. butter, softened
1/3 c. sugar
1 c. oatmeal, uncooked
3/4 c. all-purpose flour
2 (8 oz.) pkgs. cream cheese
1 c. sugar
4 eggs
1 (16 oz.) can solid pack pumpkin
1/2 c. Karo syrup (light or dark)
2 tsp. cinnamon

Heat oven to 350 degrees. Grease 13 x 9 inch baking pan. Beat butter and sugar until fluffy. Add combined oats and flour; mix well. Spread evenly onto bottom of prepared pan. Bake 18 to 20 minutes or until light golden brown. Cool slightly. Beat cream cheese and sugar at medium speed of electric mixer until fluffy. Add eggs, one at a time, beating well after each. Add remaining ingredients; mix until smooth. Pour over partially cooled crust. Bake an additional 45 to 50 minutes or until center appears set. Cool completely on wire rack. Chill. Serve with whipped cream, if desired.