• Preheat the oven to 350F then line a baking sheet with parchement papert and set aside.
• Cream the butter, granulated sugar, and brown sugar together in a stand mixer then add in the egg and vanilla extract and mix again to combine.
• Add in the flour, baking powder, and salt and mix until the flour mixture disappears.
• Using a medium cookie scooper, scoop out 6 equally sized cookie dough balls and roll them between the palm of your hands. place them on the baking sheet and gently press them down to about 2 cm in thickness. Bake the cookies in the preheated oven for 10 minutes.

Make the butter sauce

• While the cookie are still in the oven, melt the butter, powdered sugar, water, and vanilla extract in a small saucepan over medium low heat. Continuously stir the mixture until the sugar is fully dissolved. Make sure not to boil the butter sauce.
• Remove the pan from the stove top and let it sit for about 5 minutes to thicken up a little.
• Using a pastry brush, brush each warm cookie with the butter sauce and then top with a light sprinkle of powdered sugar once the glaze has set and enjoy.