Refreshing dessert, fit for company but easy enough to make for a family dinner. Prep time includes refrigeration for the jello to start to set, I'm guessing it takes around 20 minutes or so. I prefer this recipe with fresh raspberries, but frozen works just as well. The serving size is also an estimate, I used a lasagna pan to make it in and it served 13 last Thanksgiving - it really depends how big you cut the squares.