You know the morning. Your mouth is dry, your head is foggy, and the thought of doing anything beyond lying still feels ambitious. The first instinct is usually to find something to eat, and the internet is happy to promise that a greasy breakfast or a magic smoothie will fix everything. The honest version is gentler and more useful than that.
Here is the part worth saying clearly up front: there is no food that cures a hangover. The only sure way to avoid one is to drink less or not at all, and once a hangover has arrived, the real remedy is time while your body clears the alcohol, rehydrates, and settles back to normal. The National Institute on Alcohol Abuse and Alcoholism makes this point plainly, and it is the foundation everything else rests on.
What food can do is make the waiting more comfortable. A hangover is not one problem but several overlapping ones — mild dehydration, an irritated stomach, dipping blood sugar, inflammation, and broken sleep all arriving together. Because the discomfort comes from different directions, the smartest approach is to match what you eat to how you actually feel. The fifteen foods below each target a specific piece of that puzzle, and for every one we have noted what the science genuinely supports and where the evidence is thinner. Think of this as a menu of options to choose from, not a prescription to follow.
A quick note on what "backed by science" means here. Research focused specifically on hangover foods is surprisingly limited, so much of what follows draws on well-established nutrition science and studies in closely related areas, such as rehydration and nausea relief. Where a benefit is proven, we say so. Where it is reasonable but unproven, we say that too.