1 pkg yellow cake mix
1/3 c vegetable oil
8 oz cream cheese
1/3 c sugar
1 tsp lemon extract
In a bowl, combine mix, one egg, and oil until crumbly. Sit aside 1 cup for topping. Press crumb mixture into greased 9x13 pan. Bake at 350* for 15 minutes.
In a small mixing bowl, beat cream cheese until smooth. Add sugar, one egg, and extract. Spread over crust. Sprinkle with reserved crumb mixture.
Bake for 25-30 minutes or until golden brown. Cool on wire rack. Refrigerate leftovers.