Ingredients
Serves: 16
16 tablespoons Nutella (Chocolate Hazelnut Spread), preferably slightly cold
11/2 cups all-purpose flour (71/2oz)
2 teaspoons cornstarch
1/2 teaspoon baking soda
1/2 teaspoon table salt
3/4 cup unsalted butter (11/2 sticks/6oz), softened
1 cup light brown sugar (7oz)
1/2 cup granulated sugar (31/2oz)
1 large egg, at room temperature
1 large egg yolk, at room temperature
2 teaspoons vanilla
1/2 cup unsweetened cocoa powder* (11/2oz), sift if lumpy
11/4 cup chocolate chips, semisweet or milk or a combination of both*, plus extra for pressing on the cookie dough balls
Sea salt
Preparation
