Preheat the oven to 350°F. Grease or line 48 mini muffin cups with liner papers.
In a large bowl, whisk together flour, baking soda, baking powder, cinnamon, ginger, salt, cloves, and nutmeg.
In a separate large bowl add melted butter, vegetable oil, sugar, brown sugar, buttermilk, and vanilla. Blend well. Add eggs one at a time and blend until combined.
Add dry ingredients to wet ingredients. Mix until just combined. Add crystallized ginger and pecans. Blend until combined
Spoon batter into muffin cups 3/4 full. Bake for 14-16 minutes, turning pans halfway through baking. Remove muffins from pans and dust with powdered sugar.
Store muffins in an air-tight container once they've cooled completely. Can be frozen.
This recipe was calculated using the exact brands and measurements I used to make this recipe. If you are following a strict diet please note changing anything will cause the nutritional info to change. My calculations are intended as a guide only.