Line muffin pan with muffin liners, or spray with non-stick spray.
Chop cranberries and chop nuts and set aside.
Melt butter and set aside.
MAKE BATTER
Whisk together dry ingredients in a bowl. Make a well in side the bowl.
Add melted butter, oil, buttermilk, egg, vanilla, orange zest and juice, and mix well.
Add chopped cranberries and nuts.
Let batter rest 15 minutes in the bowl.
Scoop batter into muffin liners ¾ full. Sprinkle with course sanding sugar.
BAKE
Bake at 400° for 10 minutes. Reduce oven to 350° and bake an additional 10-13 minutes. (oven time may vary). Let cool and store in air-tight container.