Step 1

Preheat the oven to 325F and line baking sheet with parchment paper. Into the mixing bowl add flour and cocoa powder and give it a good whisk.

Step 2

Into a stand mixer bowl add butter and sugar, whisk on medium speed until light and fluffy, about 1-2 minutes, using a paddle attachment. Pause and scrape the mixture down half way using spatula.

Step 3

Add egg and vanilla extract, mix until creamy.

Step 4

Finally add flour mixture and mix until everything is combined.

Step 5

Using a small ice cream scooper, roll the dough into balls, place it on a parchment paper and press your thumb in the center of the cookie. Bake for 12 minutes.

Step 6

Let cool, spoon on dulce de leche into the center of the cookie, sprinkle course sea salt and enjoy!