Creamy Soy Yogurt

In 2020, I bought an instant pot to get the Yogurt button, and made some batches following this blog post on soy yogurt . I also tried soaked almonds processed in my ninja blender; it was pretty good but a little gritty and more work. Oat and coconut milk did not thicken. With soy, it's critical that the milk you use has zero additives; Trader Joe's soy milk works great. Even so, it was hard to get it to be as thick as I'd like. Cooking longer - I tried up to 15 hours -- helps, but was super tangy! My brother Jeff bought an instant pot and experimented with combinations of soy milk and thickeners (like soy flour & cornstarch) and syrup for the yeasties to eat, dissolved in the boiling milk. His winning combo then was to boil 1 qt soy milk with 4T almond flour and 2T ginger syrup, cool, add 3 TJ probiotics pills, and then cook in the instant pot with water around the jars to better distribute the heat. It took almost half the time (roughly 9 hours) and was ama...