In a large bowl, whisk together flour, baking powder, brown sugar, Sel Magique, cinnamon, nutmeg, and ginger.
In a separate bowl, whisk together milk and pumpkin puree, then add eggs and stir in vanilla
Add wet ingredients to dry ingredients and stir with a wooden spoon until just combined.
Melt butter in a large nonstick skillet over medium heat. When the butter is foamy, reduce heat to medium-low and ladle pancake batter into skillet. Cook until bubbles start to form in batter and the pancake is golden underneath, about 3 minutes then flip and cook the other side until golden, another 3 minutes.