<s>[INST] I am making mayonnaise, it was starting to thicken but now it has become runny and liquid again, is there any way to salvage it? [/INST] You'll probably want to either add a proper ratio of the thicker ingredients, or double check that you aren't using spoiled ingredients in the mayonnaise.</s>\ <s>[INST] I think it's spoiled. Thanks for the help. [/INST] To prevent mayonnaise from spoiling, it is important to use fresh ingredients and clean utensils, store it in an airtight container in the refrigerator, use it within a reasonable time, avoid cross-contamination, and use pasteurized eggs to reduce the risk of foodborne illness. By following these guidelines, you can ensure that your homemade mayonnaise is safe to eat and free from spoilage.</s>