INGREDIENTS
1 cup
all purpose flour plus 1 teaspoon of flour (plus more for prepping cake pan)
1 tsp
baking powder
1/2 tsp
salt
1/8 tsp
cinnamon
1/2
cup (4 oz, 113 g, 1 stick) unsalted butter, softened
3/4 cup
sugar
1/4 tsp
vanilla extract
2
large eggs
1 tsp
lemon zest (optional)
2 cups
blueberries, rinsed and drained (if using frozen blueberries, thaw and drain first)
1 tsp
lemon juice
Powdered sugar for dusting