Step 1

Heat oven to 375°F. Grease 15x10x1-inch baking pan; line with parchment or waxed paper. Grease and flour paper; set aside. Arrange clean thin, cotton kitchen towel on counter; sprinkle with powdered sugar.

Step 2

Combine flour, baking powder, baking soda, cinnamon, cloves and salt in small bowl. Combine eggs and granulated sugar in large bowl; beat until thickened. Add pumpkin; beat until well mixed. Stir in flour mixture. Spread batter evenly into prepared pan. Sprinkle with walnuts, if desired.

Step 3

Bake 13-15 minutes or until center springs back when lightly touched. Immediately loosen cake from edges of pan; invert onto prepared towel. Remove pan; carefully peel off paper. Roll up cake in towel while hot, starting with 10-inch side. Cool completely on wire rack.

Step 4

Beat cream cheese, 1 cup powdered sugar, butter and vanilla in small bowl until smooth. Carefully unroll cake; remove towel. Spread cream cheese mixture over cake. Reroll cake. Wrap in plastic food wrap; refrigerate at least 1 hour. Sprinkle with powdered sugar before serving, if desired.