In a large bowl mix together the oat base ingredients.
Line a 12 part muffin tin with muffin cups and divide the oats between them pressing the mixture down as you go.
Place the chocolate layer ingredients in a small pot and melt over low heat until smooth. Pour the chocolate
mixture over the oats and freeze until set, about 1 hour.
Store the cups in an airtight container in the freezer for up to one month or the refrigerator for up to a week.