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a spoon covered in low fodmap burger sauce drizzling into a bowl in front of a bowl of bacon pieces and a burger bowl

Low FODMAP Burger Sauce

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  • Author: Gail Gromaski
  • Total Time: 5 minutes
  • Yield: 6 servings 1x


This Low FODMAP Burger Sauce (a.k.a. Special Sauce) inspired by McDonald's Big Mac Sauce brings tangy deliciousness to burgers, fries, and tacos, and tastes great as a dressing for my Low FODMAP Burger Bowls. Dairy-free, Keto, low carb, and refined sugar-free with a Paleo option.


Units Scale
  • 1/2 cup avocado oil mayo (or your preferred mayo)
  • 2 tablespoons tomato paste*
  • 1 tablespoon low FODMAP pickles or capers, finely-chopped
  • 1 tablespoon dried chives
  • 1 teaspoon Dijon mustard
  • 1 teaspoon white vinegar or juice from Low FODMAP pickles
  • 1/2 teaspoon salt
  • 1/2-3/4 teaspoon liquid stevia or maple syrup to taste (for Paleo)*


  1. Whisk together all ingredients in a small bowl. Taste, and adjust salt and sweetener as desired.
  2. Serve immediately on burgers like Juicy Low FODMAP Turkey Burgers, as a dip for fries like my Low FODMAP Air Fryer French Fries, or as a dressing on my Low FODMAP Burger Bowls.
  3. Store in an airtight container in the refrigerator for up to 1-2 weeks. Stir prior to reserving.


  • Tomato paste: per Monash University's Low FODMAP Diet App, tomato paste contains the FODMAP fructans and is low FODMAP in servings of up to 2 tablespoons or 28 grams.
  • Liquid stevia: has not been tested for FODMAPs but is believed to be low FODMAP as powdered stevia is low FODMAP. Maple syrup can also be used to taste – I recommend starting with 1 teaspoon, tasting, and working your way up from there. The sauce is meant to be on the sweeter side but still well balanced with the acidity of the tomato paste and pickles.
  • Serving size: depending on what you’re using this on, one probably only needs about 1 tablespoon of sauce per burger for 12 total servings. Using this sauce as a dressing on my Low FODMAP Burger Bowls, I typically need 2-3 tablespoons per bowl for 4-6 total servings.
  • Prep Time: 5 minutes
  • Category: Condiments and Seasoning Mixes
  • Method: By hand
  • Cuisine: American