1 pkg. Pillsbury cake mix
1 box lemon instant pudding
4 eggs
3/4 salad oil
1 tsp. butter flavoring
1 tsp. lemon flavoring
1 (10 oz.) bottle 7-Up

Combine all ingredients except for the 7-Up. Mix well, then add the 7-Up. Bake at 300 degrees for 50 minutes in 13 x 9 inch pan.