Lisa, xanthan gum can be a miracle ingredient when it comes to thickening homemade yogurt. You'll only need to a add a small amount (start with 1/4 to 1/2 teaspoon to see how you like the results), and whisk it in after the milk has come off the stovetop. Beware of adding too much — it might get a slightly slimy texture. Other options to thicken include adding more dry milk powder, using a higher fat milk, or using another thickener like gelatin, tapioca starch, arrowroot, or guar gum. Hope that helps! Kye@KAF

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