Fry sauce
| Fry sauce with fries | |
| Type | Sauce | 
|---|---|
| Place of origin | United States | 
| Region or state | Utah | 
| Main ingredients | Ketchup, mayonnaise, mustard | 
Fry sauce is a condiment often served with French fries or tostones (twice-fried plantain slices) in many places in the world. It is usually a combination of one part tomato ketchup and two parts mayonnaise.