Preheat oven to 350 degrees F and butter a 13x9 dish.
Peel and cut apples into eight equal slices.
Unwrap the crescent roll dough and separate into triangles.
Place an apple slice on the wide side of the crescent and then roll.
Place each rolled crescent and apple roll into buttered dish.
In a saucepan over low heat melt together the butter and sugars.
Then add cinnamon, sugar, and vanilla, mix until combined.
Pour 7UP between rolls (but not over) and bake for 35-45 minutes, or until golden brown.
Cool a few minutes and serve warm with vanilla ice cream.