→ Cookie Base
01 -
3 cups (360g) all-purpose flour
02 -
2 teaspoons cornstarch
03 -
1 teaspoon baking soda
04 -
1/4 teaspoon salt
05 -
2 sticks (1 cup) unsalted butter, room temperature
06 -
1 1/4 cups brown sugar
07 -
1/4 cup granulated sugar
08 -
2 large eggs, room temperature
09 -
1 teaspoon vanilla extract
10 -
Royal blue, electric blue, and violet gel food coloring
→ Mix-ins
11 -
2/3 cup white chocolate chips, divided
12 -
2/3 cup chopped mini Chips Ahoy cookies
13 -
2/3 cup chopped Oreo cookies