What common food is made of corn syrup vinegar and cooking oil plus a little seasoning?

The common food you're describing is mayonnaise.

While the specific ingredients and proportions vary by brand, mayonnaise is generally made from:

* Oil: Typically vegetable oil, like soybean or canola oil

* Egg yolks: Provide emulsification and richness

* Vinegar: Often white vinegar or apple cider vinegar for tang

* Corn syrup: Adds sweetness and stability

* Salt and pepper: For seasoning

Let me know if you have any other food puzzles! 😊