Catsup and mayo sauce — also called fry sauce, fancy sauce, or pink sauce — is the easiest condiment you will ever make. Here is the ratio and every variation worth knowing.

The Basic Ratio

The iconic fry sauce, a creamy blend of mayo and ketchup
The iconic fry sauce, a creamy blend of mayo and ketchupcc by 3.0

2 parts mayonnaise to 1 part catsup. That is it. For one serving: 2 tablespoons mayo + 1 tablespoon catsup. Stir together. Done.

  • Prep time: 1 minute
  • Cook time: None
  • Yield: Scales to any amount

Variations

A classic burger and fries with ketchup on the side
A classic burger and fries with ketchup on the sidecc by 2.0

Thousand Island Style

Add 1 tablespoon sweet pickle relish per 3 tablespoons of base sauce. Stir in a pinch of onion powder.

Spicy Fry Sauce

Add 1 teaspoon sriracha (or more to taste) per 3 tablespoons of base sauce.

Garlic Aioli Version

Add 1 minced garlic clove (or 1/4 teaspoon garlic powder) and a squeeze of lemon juice per 3 tablespoons of base sauce.

Smoky Comeback Sauce

Add 1/2 teaspoon smoked paprika, a dash of Worcestershire, and a squeeze of lemon.

Tips

  • Use full-fat mayo for the best flavor and texture. Low-fat versions make a watery sauce.
  • The sauce keeps refrigerated for as long as the mayo is fresh — check the jar date.

Find more catsup-based sauces and recipes on our catsup recipes page.