Cake:

1 pkg. orange cake mix
2 tsp. orange extract

Preheat oven to temperature indicated on cake mix package. Prepare 2 (9-inch) round cake pans according to package directions.

Mix orange cake mix according to package directions substituting milk for the water. Add orange extract. Mix well. Pour batter into prepared pans . Bake according to package directions. cool thoroughly. Slice each layer in half horizontally, making four layers.

Frosting:

1 (16 oz.) carton whipped topping
1/4 tsp. orange extract
1 (16 oz.) carton sour cream
2 c. confectioners' sugar

Combine whipped topping, orange extract, sour cream and confectioners sugar in large bowl. Mix well spread between layers, on sides and over top of cake.