My fiancee and I are doing south beach to lose weight for our wedding and I concocted this "milk shake" tonight since both of us were craving chocolate :) you can also substitute the yougurt for ricotta cheese, we just didn't have any :)
1c lowfat plain yogurt
2 tablespoons of unsweet coca powder
2 tablespoons of peanut butter
1 tablespoon of sugar free french vanilla international delight drink mix
6 splenda packets
2 cups of ice
blend together the yogurt, PB, cocoa powder, sugar free french vanilla drink mix and splenda until smooth. add ice and blend to get the consistency you desire!