Preheat oven to 375.
Whisk together flour, baking powder, baking soda, Zesty Speculaas and salt in a medium bowl. In a large bowl, cream together butter, sugar and eggs until smooth.
Mix the applesauce into the batter and slowly stir in the flour mixture until fully combined. Scoop the batter into a greased muffin pan, it should make 12 muffins.
Bake 30-35 minutes or until a toothpick inserted in the center comes out with a few moist crumbs.