Shop › Butterscotch Fog Image 1 of 1 Butterscotch Fog $70.00 Brown-butter toffee sponge, toffee cream cheese frosting & toffee shards. Key ingredients: Unsalted butter, browned & cooled, Dark brown sugar, packed, All-purpose flour, Baking powder, Fine sea salt, Eggs, room temp. Sold by the dozen. Add To Cart Added! Brown-butter toffee sponge, toffee cream cheese frosting & toffee shards. Key ingredients: Unsalted butter, browned & cooled, Dark brown sugar, packed, All-purpose flour, Baking powder, Fine sea salt, Eggs, room temp. Sold by the dozen.