01 -
3 cups regular flour.
02 -
2 teaspoons cornstarch.
03 -
1 teaspoon baking soda.
04 -
1/4 teaspoon salt.
05 -
1 cup softened unsalted butter.
06 -
1 1/4 cups brown sugar.
07 -
1/4 cup white sugar.
08 -
2 large eggs at room temperature.
09 -
1 teaspoon vanilla extract.
10 -
Gel food coloring (deep blue, bright blue, purple).
11 -
2/3 cup white chocolate morsels.
12 -
2/3 cup broken Chips Ahoy cookie pieces.
13 -
2/3 cup crumbled Oreos.