INGREDIENTS
2
sticks, 1/2 lb, unsalted butter, room temperature
1 cup
brown sugar
2
eggs
1 tsp
vanilla extract
2 cups
flour
1 tsp
baking powder
1 1/4 tsp
baking soda
1/4 tsp
salt
1/2 tbsp
cardamom
1 cup
sour cream or buttermilk (I used 1/2 cup sour cream, 1/2 cup buttermilk)
for the streusel
1/4 cup
brown sugar
1 tsp
cinnamon
1 tsp
cardamom
1 cup
walnuts, finely chopped