Preheat oven to 350 degrees. Spray baking tray.

Whisk the egg and sugar together until smooth. Add vanilla and stir.

Mix flour, cocoa powder, baking powder and salt in a separate bowl.

Add in the egg mixture gradually and stir with a spatula well.

If the dough gets too thick to stir, add a little extra Greek yogurt and combine it with the dough well.

Fold in chocolate chips.

Using an ice cream scoop, dollop the mixture on the tray.

Bake for 10 minutes.

Transfer to a wire rack.

Serve and enjoy!