Combine the flour and baking soda.|
Combine the salt and spices and add them to the bowl and mix.
In a large bowl, cream butter and sugar. Blend in the eggs. Beat well.
Slowly add the dry ingredients alternately with the pumpkin to a large bowl.
Stir in chipits and walnuts (optional).
Bake at 350 degrees for 65 minutes. Cool and glaze.
Mix together the icing sugar, nutmeg and cinnamon.
Blend in cream until glaze has the right consistency.