brownie sundae cookies

15min · 8 servings Measurements: • 3/4 cup butter • 1/3 cup white sugar • 3/4 cup brown sugar • 1 egg • 1 tbsp molasses (optional) • 1 tbsp corn syrup (optional) • 2 tsp vanilla extract • 2 tsp espresso powder (optional) • 2 1/4 cup all-purpose flour • 1/2 cup cocoa powder (I use special dark) • 1 tsp baking soda • 1/2 tsp baking powder • 1 tbsp corn starch (optional) Topping • 1/3 cup heavy cream + another portion of 2 cups heavy cream • 1/2 cup white chocolate (or 45 grams) • 2 tbsp granulated (white) sugar