Whisk together flour, baking powder, brown sugar, Kosher salt, cinnamon, nutmeg
In a separate bowl, whisk together 1 cup milk, sweet potato puree, eggs, vanilla paste and almond paste. Add reserved milk a tablespoon at a time to reach desired consistency.
Lightly spray a griddle with cooking spray. Portion about 1/4 cup of batter per pancake for a 4-inch pancake. This is a thick batter and doesn't tend to spread. Fry over medium-high heat, about 2 minutes per side until browned and thoroughly cooked.