For the cookie dough
01 -
1 cup (226 g) unsalted butter, softened
02 -
1 1/2 cups (300 g) granulated sugar
03 -
2 large eggs, room temperature
04 -
2 teaspoons vanilla extract
05 -
3 1/4 cups (390 g) all-purpose flour
06 -
1 tablespoon cornstarch
07 -
1/2 teaspoon baking soda
08 -
1/2 teaspoon cream of tartar
09 -
1/2 teaspoon fine salt
10 -
2/3 cup rainbow jimmie sprinkles
For coloring and finishing
11 -
Pink gel food coloring
12 -
Blue gel food coloring
13 -
Purple gel food coloring
14 -
1/4 cup extra rainbow sprinkles or coarse sugar, for rolling