Coffee Cake Muffins

1. Preheat oven to 400ºF. Lightly grease a 12-cup muffin tin. Set aside.
2. In a large bowl, whisk eggs, sour cream, buttermilk, oil, and vanilla until smooth. In another large bowl, combine coconut sugar, flour, baking powder, salt, and cinnamon. Combine dry ingredients with liquid, gently folding until just combined.
3. Fill prepared muffin cups to brim with batter and smooth tops. Set aside.
4. For the topping, in a small bowl, toss pecans, flour, sugar, cinnamon, and melted butter until crumbly. Sprinkle over individual muffin batter, gently pressing on top of batter.
5. Bake muffins at 400ºF 5 minutes, then reduce heat to 375ºF and continue baking 15-18 more minutes, or until just golden. Cool muffins in pan 10 minutes, before removing to a wire cooling rack to cool completely.