Preheat oven to 350F.
Add the cashew butter, eggs, maple syrup, vanilla extract and baking soda to a large bowl.
Using an electric hand mixer, combine until smooth.
Fold in the chocolate chips, macadamia nuts and cranberries if using.
Pour the batter into a greased 8x8 glass dish lined with parchment paper.
Bake at 350F for 15-18 minutes.
Allow the pan to cool, then cut and serve.