Preheat oven to 350°. Generously grease two 9-inch round cake pans with Country Crock® Spread; coat with flour.
For CAKE, combine Spread, granulated sugar, brown sugar, eggs and vanilla in large bowl with wooden spoon. Add flour, cinnamon, baking soda and salt and stir until blended. Stir in carrots and walnuts; evenly spread into prepared pans.
Bake 35 to 40 minutes or until toothpick inserted in centers comes out clean. Cool 10 minutes on wire rack; remove from pans and cool completely.
For FROSTING, beat cream cheese, Spread and vanilla in large bowl with electric mixer until smooth. Gradually beat in confectioners sugar until light and fluffy, about 3 minutes. Spread top of one cake layer with 3/4 cup frosting. Top with second cake layer, then frost sides and top of cake.