Preheat oven to 350° and line two baking sheets with parchement paper or silicone baking sheets.
In a small bowl, whisk together the flour, baking soda, baking powder, ground ginger, ground cinnamon, and nutmeg. Set aside.
In a large bowl whisk melted butter, brown sugar, molasses, and vanilla. Mix until incorporated.
Slowly add dry ingredients to wet ingredients and mix with a large spoon. The dough will be thick. That's what you wnat.
Place dough in a glass bowl, cover with plastic wrap and refrigerate for 10 minutes.
With a large spoon or cookie scoop dough and roll into small balls. Roll dough balls into the sugar mix and place 1 inch apart. Gently flatten the cookies using your index and middle finger.
Bake cookies for 10 minutes. Remove from oven and allow cookies to cool on baking sheet for 5 minutes. Once slightly cooled remove to wire baking rack for finishing.