→ For the chocolate chip cookie base
01 -
1 1/4 cups (247 grams) lightly packed dark brown sugar
02 -
1/2 cup (100 grams) granulated sugar
03 -
2 sticks (227 grams) unsalted butter
04 -
2 large eggs plus 1 egg yolk, at room temperature
05 -
1 tablespoon milk
06 -
2 teaspoons vanilla extract
07 -
1 1/2 cups (191 grams) all-purpose flour
08 -
1 1/4 cups (159 grams) bread flour
09 -
1 teaspoon baking soda
10 -
1 teaspoon baking powder
11 -
1 teaspoon cornstarch
12 -
1 teaspoon fine sea salt
13 -
2 cups (340 grams) semisweet chocolate chips
→ For the buttercream
14 -
1 1/2 cups (153 grams) powdered sugar, sifted
15 -
1 stick (113 grams) unsalted butter, at room temperature
16 -
Pinch fine salt
17 -
2 teaspoons pure vanilla extract
18 -
1 tablespoon cream or milk
19 -
Sprinkles, for garnishing