recipe for in and out burger sauce
The Best recipe for in and out burger sauce
The best part? It’s a great way to get a little more nutrition into your meals without sacrificing flavor. It’s got a little bit of everything—acid from the vinegar, sweetness from the sugar, and a touch of spice from the mustard—that makes it balanced and satisfying. Plus, it’s easy to customize. If you’re watching your sugar intake, you can swap out the honey for a little bit of maple syrup or even skip it entirely. And because it’s mostly just pantry staples—mayonnaise, ketchup, vinegar, and spices—it’s always ready to go when you need it. It’s the kind of recipe that feels like a little treat for your taste buds without feeling like a treat for your wallet. Whether you’re feeding a crowd or just making dinner for the family, this sauce makes everything taste fresher and more exciting.

Classic In and Out Burger Sauce
A tangy, slightly sweet sauce that perfectly balances the flavors of a classic burger. This homemade version captures the signature taste of the In and Out fast-casual chain.
🥘Ingredients
- 1 cup tomato sauce
- 1/2 cup mayonnaise
- 1/4 cup ketchup
- 2 cloves garlic, minced
- 1 tablespoon apple cider vinegar
- 1 teaspoon Worcestershire sauce
- 1/2 teaspoon onion powder
- 1/2 teaspoon smoked paprika
- Salt and black pepper to taste
👨🍳Directions
-
1
In a saucepan, combine tomato sauce, mayonnaise, ketchup, minced garlic, apple cider vinegar, Worcestershire sauce, onion powder, and smoked paprika. Bring to a gentle simmer over medium heat. -
2
Whisk continuously for about 5–7 minutes, allowing the flavors to meld and thicken slightly. Adjust seasoning with salt and black pepper as needed. -
3
Remove from heat and let the sauce cool to room temperature before transferring it to a jar or container for storage.
🔧Equipment
- Mixing bowl
- Whisk
- Small saucepan
📊Nutrition Facts (per serving)
📝Notes
Watch Video Of How Classic In and Out Burger Sauce Works
❓ Frequently Asked Questions About In and Out Burger Sauce
What is the best way to store leftover In-N-Out burger sauce?
Store any unused sauce in an airtight container in the refrigerator for up to five days. To reheat, gently warm it over low heat on the stove, stirring occasionally, until it reaches a safe temperature of around 165°F (74°C). Avoid reheating in the microwave directly, as it can cause uneven heating and potential condensation that may dilute the sauce.
Can I make the In-N-Out-style sauce without a food processor?
Yes, you can blend the sauce by hand using a small bowl and a fork or a hand mixer for a smoother texture. Just ensure you pulse it frequently to avoid overheating the ingredients. For a thicker consistency, you may need to adjust the amount of vinegar or water slightly.
How do I adjust the sweetness if the sauce tastes too salty?
To balance saltiness, add a teaspoon of honey or brown sugar per cup of sauce and mix well. If the sauce is too sweet, reduce the vinegar slightly (by about 1 tablespoon) and increase the ketchup or add a pinch of salt to restore balance.
Why does the sauce sometimes taste different when I make it from scratch?
Homemade sauce may vary slightly in flavor due to ingredient ratios and personal taste preferences. If yours tastes off, try adjusting the sweetness with a little more honey or sugar, or the acidity with a pinch of extra vinegar. The key is experimenting with small tweaks to match the classic In-N-Out flavor.
