INGREDIENTS
2 1/2 cups
all-purpose flour
1 1/4 tsp
baking soda
1 1/4 tsp
baking powder
1 1/4 tsp
ground cinnamon
1/2 tsp
kosher salt
1/4 tsp
all-spice
1 1/2 cups
granulated sugar
1/2 cup
packed brown sugar
4
eggs
1 cup
vegetable oil
1/2
coup sour cream
1 tsp
vanilla
3 cups
shredded carrots
1/2 cup
chopped walnuts (optional)
8 oz
package cream cheese
1/2 cup
butter (softened)
4 cups
powdered sugar
2 1/2 tsp
vanilla extract