Step 1

Place all ingredients except chocolate chips and walnuts in a food processor.

Step 2

Blend until completely smooth and creamy, scraping down the sides as needed. Once smooth, fold in walnuts and chocolate chips by hand with a rubber spatula.

Step 3

Spoon into an air-tight storage container and refrigerate for at least two hours or ideally overnight before serving.Note: The dough will get much thicker once refrigerated.