1 (18.25 ounce) package lemon cake mix
1 1/3 cups vegetable oil
1 (3 oz) package lime flavored gelatin mix
3/4 cup orange juice
1/2 cup butter
1 (8 oz) package cream cheese
3 tablespoons fresh lime juice
4 cups confectioners' sugar
Combine cake mix, gelatin mix, oil, eggs and orange juice. Pour into three 8 inch cake pans. Bake according to instructions on box. Allow to cool, then frost.
To make frosting: In a large bowl, beat the butter and cream cheese until light and fluffy. Add lime juice and confectioners sugar. Mix well.