SoI have read a number of questions and answers and recipes for using Jello Gelatin to make a mousse. And I have tried a few different ways! Nothing is working! I've tried using vanilla pudding mixing it up and putting in the gelatin, to me it was gritty and sour! I tried making the gelatin as the box says waiting for it to gel slightly and then adding 1 cup of heavy cream. Its came out way jiggly and chunky looking but taste great. My mom tried using whipped cream (...