A bottle of ketchup beside the stove or hot sauce tucked into a pantry cabinet might seem perfectly normal. But some everyday foods have storage instructions that change once you open them, and others benefit from refrigeration even when it isn’t strictly necessary. The confusion often comes from the difference between keeping food safe and preserving its flavor and quality. Before you organize your kitchen, check these 10 common items to see which ones belong in the refrigerator, which can stay in the pantry, and why the label matters.