Step 1 : Preheat oven to 200 degree celcius.

In a small bowl, beat peanut butter. butter and sugar until well combined. Beat in the eggs whites and vanilla. Add oats. baking powder. and salt and mix until dough comes together. Make equal size balls out of it. Press each ball into flat disk. Top each with chocolate chip, pressing into the dough.

Bake it for 10 - 12 mins in preheated oven. The cookies will still be very soft but will firm up as they cool.