Preheat oven to 425F. Line a 12-cup muffin pan with paper liners and set aside.
In a large bowl, beat butter with brown sugar until smooth and creamy. Beat in molasses. In a separate small bowl, whisk egg, yogurt, buttermilk, grated ginger, and vanilla until smooth.
In a separate medium bowl, combine flour, baking powder, baking soda, spices, and salt. Working in increments, fold half of flour mixture and half of egg mixture into butter-sugar mixture until smooth and repeat, folding until batter is just combined. Fold in chocolate chips.
Fill muffin cups to brim with muffin batter and smooth tops. Sprinkle with turbinado sugar. Bake muffins at 425F 5 minutes, then reduce heat to 375F and continue baking an additional 15-20 minutes until a toothpick inserted in center of muffin comes out clean.
Cool muffins 20 minutes in pan, then transfer to a wire cooling rack to cool completely. Enjoy!