FOR BLONDE BROWNIES
2 1/3 cups all purpose flour
1 1/4 teaspoon baking powder
1/4 teaspoon salt
6 ounces unsalted butter,at room temperature (3/4 cup or 1 1/2 sticks)
3/4 cup granulated sugar
3/4 cup packed light brown sugar
2 large eggs, at room temperature
1 1/2 teaspoons vanilla
1 cup white chocolate chips
FOR CINNAMON SUGAR FILLING
2 teaspoons ground cinnamon
1/3 cup granulated sugar
1 teaspoon vanilla extract
FOR WHITE CHOCOLATE GLAZE
4 ounces white chocolate, chopped, not chips
1/4 cup heavy cream
FOR GARNISH
1/3 cup cinnamon chips, crushed