Notes: *For best results, use full-fat cream cheese. **Dairy or plant-based milk works. ***If you don't have pumpkin pie spice, combine 2 parts cinnamon, 1 part ginger, ½ part nutmeg, ½ part allspice, ¼ part cloves. Store muffins in an airtight container at room temperature for up to 3 days or freeze for longer storage. Bring to room temp before serving for best texture.