Raisin Cake Bars

Ingredients

2 cups all-purpose flour

1 teaspoon baking powder

½ teaspoon baking soda

½ teaspoon salt

1 teaspoon ground cinnamon (optional)

¾ cup unsalted butter, melted

1 cup granulated sugar

½ cup brown sugar

2 large eggs

1½ teaspoons vanilla extract

¾ cup milk or yogurt

1 cup raisins

Powdered sugar for dusting (optional)

Instructions