Pumpkin Cake recipe from Alabama Live Top Chef segment

Recipe from the Top Chef cooking segment with firefighters:

3 eggs

1 cup granulated sugar plus extra for sprinkling

2/3 cup canned 100% pure pumpkin (not pie filling)

1 teaspoon lemon juice

2 teaspoons ground cinnamon

1 teaspoons ground ginger

1/2 teaspoon salt

1/2 ground nutmeg

1/2 cup chopped walnuts (plus extra for garnish)

1 1/4 cup confections sugar, divided

1 (8 ounces) pkg cream cheese, softened

4 tablespoons (1/2) stick butter, softened

1/2 teaspoon vanilla extract