01 -
12 tablespoons unsalted butter, softened up (¾ cup).
02 -
¾ cup white sugar.
03 -
Packed ¾ cup light brown sugar.
04 -
Two large eggs at room temperature.
05 -
2 teaspoons of vanilla extract.
06 -
2⅓ cups all-purpose flour (extra might be needed).
07 -
1½ teaspoons of baking powder.
08 -
½ teaspoon salt.
09 -
Optional: ½ teaspoon cream of tartar.
10 -
1 heaping cup of white chocolate chips, plus an extra tablespoon for the top.
11 -
¼ cup white sugar for the filling.
12 -
2 teaspoons ground cinnamon to use in the filling.