In large add the buttermilk, the pumpkin, eggs, butter, and vanilla and stir with a whisk to combine.
In a medium bowl, stir together the flour, sugar, baking powder, baking soda, spices, and salt.
Pour the dry ingredients over the wet and mix just until incorporated.
Heat non-stick pan over medium heat. Melt a little butter on the cooking surface, spreading it evenly. Measure about 1/3 Cup at a time pour the batter onto the pan. The pancakes are ready to flip when they look a little dry around the edges and start to form little bubbles, 1 to 2 minutes. Flip and cook on the other side until golden brown and completely cooked through, 1 to 2 more minutes.