INGREDIENTS
CAKE:
1/2 cup
butter, at room temperature
3/4 cup
granulated white sugar
1 tsp
vanilla extract
3
large eggs
2 cups
all-purpose flour
1 tsp
baking powder
1 tsp
baking soda
1 cup
sour cream
1 16 ounce can
unsweetened pumpkin puree
1
large slightly beaten egg
1/3 cup
granulated white sugar
1 tsp
pumpkin pie spice
STREUSEL TOPPING:
1 cup
packed light brown sugar
1/3 cup
butter, softened slightly
2 tsp
ground cinnamon
1 cup
chopped pecans or walnuts, optional