Step 1

Preheat the oven to 325 F (165 C). Grease cookie sheets or line them with parchment paper.

Step 2

Sift together the flour, baking soda and salt; set aside.

Step 3

In a medium bowl, cream together the melted butter, brown sugar, and white sugar until well blended.

Step 4

Beat in the vanilla, egg, and egg yolk until light and creamy.

Step 5

Mix in the sifted ingredients until just blended.

Step 6

Stir in the cacao nibs by hand using a wooden spoon.

Step 7

Drop cookie dough 1/4 cup at a time onto the prepared cookie sheets. Cookies should be about 3 inches apart.

Step 8

Bake for 15 to 17 minutes in the preheated oven, or until the edges are lightly toasted.

Step 9

Cool on baking sheets for a few minutes before transferring to wire racks to cool completely.