Recreate the bold, tangy flavor of McDonald's legendary Hot Mustard Sauce at home with this easy copycat recipe. Perfect for dipping chicken nuggets, fries, or spreading on your favorite sandwiches, this spicy-sweet sauce delivers the nostalgic heat fans crave.
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In a small saucepan, combine yellow mustard, Dijon mustard, honey, white vinegar, corn syrup, and soy sauce.
Whisk in mayonnaise until smooth and well incorporated.
Add sugar, garlic powder, cayenne pepper, turmeric, salt, and onion powder to the pan.
Place the saucepan over medium-low heat.
Whisk constantly as the mixture warms, ensuring it does not simmer or boil.
Cook for about 5-7 minutes, stirring frequently, until the sauce thickens slightly and all ingredients are fully dissolved.
Taste and adjust seasoning if needed (add more honey for sweetness or cayenne for extra heat).
Remove from heat and let cool to room temperature.
Transfer the sauce to a clean jar or airtight container.
Refrigerate for at least 1 hour before serving for flavors to meld.
