Nothing goes better with a burger and fries than ketchup, right?

But according to a new study, it's not your favorite food topping.

Mayonnaise is the new #1 - by more than a two to one margin.

Market research finds Americans spend over $2 billion a year on mayonnaise.

In comparison, ketchup sales per year are only $800 million.

Coming in a close 3rd is soy sauce, barbecue sauce is 4th, hot sauce was a lukewarm 5th, and mustard barely cuts it at #6.

So what about salsa?

Researchers say it's not a condiment - it's a dip.

If it was factored in, however, it would surpass ketchup at #2 - but still trail mayo by quite a wide margin.

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