Preheat the oven to 400°F.
In a medium bowl, whisk together the flour, baking powder, baking soda, salt, brown sugar, cinnamon, ginger and nutmeg. Set aside.
In a large bowl, whisk together the eggs, melted butter, buttermilk, pumpkin puree, and vanilla extract. Next, add the dry ingredients into the wet ingredients and fold with a rubber spatula, gently until JUST combined. Do not overmix.
Bake in your bon cook waffle tray with perforated baking sheet under. Pour about 3/4 cup of the batter into each waffle section. Bake for 20-25 minutes.
For serving, top with a pat of butter, maple syrup, whipped cream, or whipped honey butter!