HomeDIY&FoodShe Mixes Jello Powder With Cake Batter To Make This Beautiful Dessert She Mixes Jello Powder With Cake Batter To Make This Beautiful Dessert April 3, 2016 DIY, Food Learn how to make a rainbow jello cake also known as a stained glass cake in this video tutorial. (Source) If you know someone who might like this, please click “Share!”