INGREDIENTS
1/2 cup
unsalted butter
3/4 cup
granulated white sugar
3
large eggs
1 tsp
pure vanilla extract
2 cups
all-purpose flour
2 tsp
baking powder
1/2 tsp
baking soda
1/4 tsp
salt
1 tsp
ground cinnamon
1/2 cup
sour cream (or plain yogurt)
1/2 cup
walnuts or pecans (coarsely chopped (optional))
1 1/2 cups
chopped fresh strawberries