INGREDIENTS
2/3 cup
sugar
1/2 cup
unsalted butter, softened
2 tsp
grated lemon zest
1
egg
1 1/2 cups
all-purpose flour (195 grams)
2 tbsp
poppy seed
1/2 tsp
baking soda
1/4 tsp
salt
1/2 cup
sour cream
2 cups
fresh or frozen blueberries, thawed, drained on paper towels
1/3 cup
sugar
2 tsp
flour
1/4 tsp
nutmeg
1/3 cup
powdered sugar
1
to 2 teaspoons whole milk