Roll out dough and spread butter within ½ in. of the edges.
Combine apples, brown sugar, walnuts, and cinnamon.
Sprinkle mixture over the dough while leaving an inch or less around each edge.
Create heart shape by rolling opposite sides of the dough towards the center.
Portion 12 individual rolls and place each roll cut side down onto a greased baking dish. Cover and let rise in a warm place for 30 minutes.
Bake at 325° for 15 minutes or until golden brown.
For frosting, place Simply Apple and cinnamon stick in a small saucepan. Bring to a boil; cook until liquid is reduced to ¼ cup for about 20 minutes. Remove cinnamon stick and wait for mixture to cool.
In a large bowl, beat cream cheese and butter until fluffy. Add confectioners’ sugar and reduced Simply Apple mixture, and beat until smooth.