🍟 Big Mac-Inspired Special Sauce
This recreates the creamy, sweet-tangy special sauce people associate with a certain double-decker fast-food burger. It is built from scratch with pantry ingredients and gets its signature flavor from sweet pickle relish, a little vinegar, and onion and garlic powder.
🧾 Big Mac-Inspired Special Sauce — Recipe Card
From I Love Hamburger — ilovehamburger.com
Ingredients
- 0.5 cup mayonnaise (115 g)
- 1¾ tbsp sweet pickle relish (15 g)
- 1¾ tbsp yellow mustard (15 ml)
- 1¾ tsp white wine vinegar (5 ml)
- 1¾ tsp granulated sugar (4 g)
- 0.5 tsp onion powder (1 g)
- 0.25 tsp garlic powder (0.5 g)
- 0.25 tsp paprika (0.5 g)
Instructions
- Whisk the mayonnaise, relish, and mustard together until smooth.
- Add the vinegar, sugar, onion powder, garlic powder, and paprika. Whisk again.
- Cover and refrigerate at least 1 hour — this sauce genuinely needs the rest for the flavors to come together.
- Spread generously on both bun halves of a double cheeseburger with shredded lettuce, onion, and pickles.
🫙 Storage
Airtight in the fridge for up to 1 week.
🔁 Substitutions
- Dill relish instead of sweet, plus an extra pinch of sugar, if that is what you have.
- A few drops of yellow food-safe coloring are sometimes used for the classic look — purely optional and cosmetic.
🍔 What to put it on
Pair it with shredded iceberg lettuce, rehydrated onion, American cheese, and dill pickles. It especially shines on these burgers:
Burger HQ Picks Handy for sauce-making
Heavy-Duty Stainless Smash Burger Press
A flat, weighty press is the difference between a real lacy-edged smash burger and a sad steamed puck. Round, broad face for full patty contact.
Check price →Instant-Read Digital Meat Thermometer
Pulls a reading in 2–3 seconds so you can hit 160°F on ground beef every time without cutting into the patty and losing juices.
Check price →Pre-Seasoned 12" Cast Iron Skillet
Holds screaming-hot heat for the deep, even crust that makes a steakhouse-style burger. Lasts a lifetime.
Check price →Outdoor Gas Flat-Top Griddle
A big flat top cooks a dozen smash burgers at once with room for onions and buns. The backbone of burger night for a crowd.
Check price →Thin Flexible Stainless Turner (Smash Spatula)
A stiff, thin, bevelled edge slides under the crust and scrapes up every bit of the browned fond instead of tearing the patty.
Check price →Steakhouse Burger Seasoning Blend
For nights you do not want to measure. Salt-forward with garlic, onion, and pepper — exactly what a burger wants.
Check price →Stainless Grill Accessory Kit
Long tongs, a wide spatula, and a basting brush so you are not fighting your own tools over a hot grill.
Check price →As an affiliate site, I Love Hamburger may earn a commission from qualifying purchases. This does not affect our recommendations.
Frequently asked questions
What is Big Mac sauce actually made of?
The exact commercial formula is proprietary, but the recognizable flavor comes from a mayonnaise base with sweet relish, mustard, vinegar, and onion and garlic powder. This inspired-by version recreates that profile from scratch.
Is this the official recipe?
No. This is an independent, inspired-by recipe. It is not the official product formula and is not endorsed by or affiliated with the restaurant.