Mayonnaise can quietly turn from harmless condiment to health threat in just a few hours. Most people never notice the moment it crosses the line. One warm afternoon on the counter. One forgotten jar at a picnic. One sandwich that looks fine… until it doesn’t. Behind its creamy texture, bacteria can multiply fast, turning lunch into a night in the ER. The rules are stricter than you think, and experts are far less relaxed than most home cooks. If you’ve ever left mayo out “just for a bit,” you may have already pushed your luck without knowing. Here’s how close you might be to makin… Continues…