Recipe

Smash Burger Sauce

A creamy, tangy, pickle-forward burger sauce you can stir together in 5 minutes for smash burgers, fries, and basically anything crispy.

By Matt Campbell

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4.8

A small bowl of creamy smash burger sauce on a wooden kitchen counter with pickles and burger buns softly blurred in the background

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If a smash burger is all about crisp edges and melty cheese, the sauce is the thing that ties it together and makes you go quiet for a second mid-bite. This is my go-to smash burger sauce: creamy, tangy, a little sweet, and aggressively pickle-forward in the best way.

No weird ingredients, no blender, no drama. Just a bowl, a spoon, and five minutes of effort that pays you back like you actually planned dinner.

And yes, it’s not just for burgers. Try it as a dip for fries and onion rings, or smear it on a grilled chicken sandwich when you want that diner vibe at home.

Measured mayonnaise, ketchup, and pickle relish in small bowls on a kitchen counter ready to be mixed into burger sauce

Why It Works

Classic smash burger flavor without being flat: mayo for body, ketchup for sweetness, mustard for tang, and pickles for pop.
Balanced texture: relish plus finely chopped dill pickles gives you little crunchy hits that cut through rich beef.
Fast flavor: garlic powder, onion powder, and smoked paprika build that diner-style depth in seconds.
Make-ahead friendly: it tastes even better after a quick chill, which is perfect when the griddle’s screaming hot and you need one less thing to think about.

Pairs Well With

Storage Tips

Store leftover smash burger sauce in an airtight container in the refrigerator for up to 5 to 7 days.

Keep it cold: This is a mayo-based sauce, so don’t leave it out for long stretches. Pull it out when you’re ready to build burgers, then back in the fridge it goes.
Stir before using: If it loosens a bit as it sits, a quick stir brings it right back.
When in doubt, toss it: If it smells off or the texture looks weird, don’t risk it.
Freezing: I don’t recommend freezing. Mayo-based sauces can separate and turn grainy after thawing.

A small glass jar filled with creamy burger sauce with a lid beside it on a kitchen counter

Common Questions

Is smash burger sauce the same as Big Mac sauce?

They’re cousins, not twins. Big Mac-style sauces are typically heavier on sweet pickle relish and often lean a little sweeter overall. This version is brighter and more mustard-forward, with optional hot sauce for a tiny kick.

How do I make it less sweet?

Use no-sugar-added ketchup and swap sweet relish for dill relish. You can also add a squeeze of lemon juice or a small splash of pickle brine to lean into tang.

How do I make it spicy?

Add more hot sauce, or stir in 1 to 2 teaspoons minced pickled jalapeños. If you want heat that lingers, add a pinch of cayenne.

Can I use Greek yogurt instead of mayo?

You can, but it’ll taste sharper and less “diner creamy.” My favorite compromise is half mayo, half Greek yogurt. Start there and adjust salt because yogurt can mute seasoning.

What if I only have whole pickles, not relish?

Perfect. Finely chop dill pickles and add 1 teaspoon of sugar if you want that classic sweet-tang vibe, or skip the sugar for a more savory sauce.

Why does my sauce taste flat?

It usually needs one of these: salt, acid (pickle brine or lemon juice), or a little more mustard. Taste, tweak, repeat. You’re the boss here.

How do I keep it from getting watery?

If your relish or pickles are extra juicy, drain them before measuring (or give them a quick squeeze in a paper towel). That keeps the sauce thick and clingy instead of runny.

Matt Campbell

I have always had a huge passion for the culinary arts, people, working as a team, and so on. I wanted to pursue my love for cooking initially at Virginia Commonwealth University with a culinary arts degree; however, I instead decided to apply myself and acquire more practical skills. My end goal is to eventually open my own restaurant or similar establishment.

Kitchen Essentials

Small mixing bowl
Spoon or small whisk
Measuring spoons
Knife and cutting board (if chopping pickles)
Small jar or airtight container for storage

I learned pretty fast that the best home burgers aren’t always about fancy buns or a secret beef blend. Most of the time, the difference between “yeah, that was good” and “hold on, let me take another bite” is the sauce. I started mixing this one when I was chasing that classic smash burger shop flavor at home, and now it’s basically my edible insurance policy. If my patties get a little too crispy, sauce saves the day. If my cheese pull isn’t photogenic, sauce still makes the burger feel like a win.