Step 1

Preheat oven to 350F.

Step 2

In a small bowl, stir together the butter and sugar until well combined. Add in the vanilla and egg stir until incorporated.

Step 3

Sprinkle the the salt, baking powder, and baking soda evenly over the mixture and stir until incorporated. Add the flour and stir just until combined. Fold in the 1/4 cup chocolate chips.

Step 4

Form a large ball of dough in the center of a baking sheet lined with parchment paper or a silpat. Top with more chocolate chips and a bit of salt if desired.

Step 5

Bake at 350F for 13-15 minutes until the edges are set and lightly browned and the center still looks under-baked.

Step 6

Allow to cool for several minutes on the baking sheet.