INGREDIENTS
Muffins:
2 cups
flour
1 tbsp
baking powder
1/2 tsp
baking soda
1/4 tsp
salt
1
egg
1 1/2 tsp
vanilla extract
1 cup
white granulated sugar
4 tbsp
melted butter
1 1/2 cups
lowfat buttermilk (I use 1%)
1/3 cup
sour cream
Lemon zest from 1 large lemon
Streusel Topping:
1/4 cup
brown sugar
2 tbsp
white granulated sugar
Zest from 1 lemon
1/3 cup
all-purpose flour
2 1/2 tbsp
melted unsalted butter