• Preheat oven to 450 degrees.
• Grease bottom and sides of a cast iron pan with 2 tablespoons of butter.
• In a medium bowl whisk together flour, sugar, baking powder, baking soda, cinnamon, nutmeg and salt until combined.
• Add the 8 Tablespoons cold butter pieces to the dry ingredients and using a pastry cutter, fork or fingers, cut the butter into the flour mixture until butter pieces are pea sized and incorporated into the dry ingredients well.
• Add in cranberries and toss to combine.
• Lastly, add in buttermilk and gently work together until dough starts to come together
• Scoop biscuit dough onto floured surface and gently work together with hands. Pat dough out into disc and fold in half over itself, gather any crumbs and flatten back into a disc. Repeat two more times.
• Form a disc about ¾ of an inch thick and cut out biscuits with a floured 2-3 inch biscuit cutter or glass, reworking dough as needed until you have 8 biscuits. Place biscuits into buttered pan very closely together.
• Place biscuits into the oven and bake for 15-17 minutes until biscuits are golden brown.
• Remove from oven and brush with melted butter if desired.

For Glaze

• Whisk together powdered sugar, half and half and vanilla extract in a small bowl and drizzle over warm biscuits.