Cinnamon Layer Cake

Ingredients

• cake
• 3/4 cup packed brown sugar (I used dark)
• 3 tablespoons packed brown sugar (I used dark)
• 1/2 cup unsalted butter, slightly melted
• 1 teaspoon ground cinnamon
• 1 tablespoon ground cinnamon
• 1 (18 1/4 ounce) package yellow cake mix
• 1 cup fat free sour cream
• 3 eggs
• 1/3 cup canola oil
• 1/4 cup water
• frosting
• 2 (8 ounce) packages light cream, cheese. (room temp)
• 3/4 cup butter or 3/4 cup margarine, slightly melted
• 2 teaspoons vanilla extract
• 3 cups confectioners' sugar