Kansas City BBQ Sauce Recipe: Sweet with a Kiss of Heat

Last Updated:
May 27, 2024
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My Kansas City-style BBQ sauce is mainly sweet but also savory, with a slight tang that’s absolutely perfect on pork and chicken.

If you’re after a “typical” barbecue sauce, this is it.

homemade Kansas City-style bbq sauce in a small mason jar

Ingredients for Kansas City Style Barbecue Sauce

  • 1 Cup water
  • 1/2 Cup White Sugar
  • 2/3 Cup Distilled White Vinegar
  • 3 oz Tomato Paste (roughly half of a 6 oz can)
  • 1/4 Cup Molasses
  • 1/4 Cup Honey
  • 1 Tsp Ground Cayenne
  • 1 Tsp Granulated Garlic
  • 1 Tsp Onion Powder
  • 1/2 Tsp Celery Salt
  • 2 Tbsp Cornstarch and 1/2 tbsp water (added as a slurry)
  • 1 Tbsp Lea and Perrins Worcestershire Sauce

Optional:

  • 1/2 Tablespoon Liquid smoke (adds smokey flavor)
  • 1 Tbsp Corn Syrup (adds a shine to the sauce)

Ingredient Explanations and Possible Substitutes for this Recipe

Tomato Paste

The tomato paste is used because there is vinegar in both ketchup and mustard and both easily overpower the rest of the ingredients in this sauce.

If you don’t like using Tomato paste, you can use Ketchup instead. If you do opt for ketchup, don’t add extra vinegar.

Distilled White Vinegar

I’m not a huge fan of lots of vinegar in barbecue sauce but I do like some tang.

If you prefer your sauce more tart, use Apple Cider Vinegar – around 1 tablespoon will add more than enough tartness.

The Sweet Ingredients

The molasses is used because it darkens the sauce, adds a sheen, and adds sweetness. Going overboard with the molasses can make the bitter.

To make the sauce sweeter, I like to use more honey, around 1/2 a cup or more.

Why the Cornstarch?

The cornstarch slurry is used to help thicken the sauce. This is especially useful when working with Tomato paste and water.

If you’re using ketchup, omit this slurry.

Other Ingredients Because They Taste Good

The rest of the ingredients that are being added because I find they taste great. Most of which are umami and light up your tongue with various taste sensations.

If you aren’t a fan of “heat” or “spicy” notes, omit the ground cayenne or go with 1/2 tsp instead.

Making the Sauce

In a medium sauce pan combine water, vinegar, and Worcestershire sauce. Then add your white sugar, honey, and molasses.

Ensure the sugars are dissolved and well combined.

Then add the tomato paste and similarly, break it down in the liquids.

Then create a slurry in a separate bowl of water and cornstarch; You want to ensure the mixture is fully combined before adding it.

Then add the rest of your dry ingredients and whisk together.

Your sauce should look like this:

Kansas city barbecue sauce ingredients combined in a medium sauce pan

Once well combined, set your burner to medium heat and get your sauce to a slight boil – ensure you’re stirring/whisking simultaneously.

Once it reaches a slight boil, lower the heat to low/simmer.

Allow the sauce to simmer for 20-25 minutes or until your desired consistency.

More or less you’re allowing the sauce to reduce, and it will likely reduce by half.

Here’s an example:

kansas city sauce reduced by roughly half in medium sauce pan

Note: This sauce is supposed to be somewhat thicker.

Once the sauce is at your desired consistency, allow it to cool. Once cooled, transfer to a mason jar or similar storage container.

From there you can refrigerate for 1-2 weeks.

homemade Kansas City-style bbq sauce in a small mason jar
Print Pin Recipe
5 from 1 vote

Kansas City BBQ Sauce Recipe

Sweet with a Kiss of Heat
Prep Time5 minutes
Active Time10 minutes
Total Time15 minutes
Course: Condiments

Equipment

  • Medium Sauce Pan
  • Whisk

Ingredients

  • 1 Cup Water
  • 1/2 Cup White Sugar
  • 2/3 Cup Distilled White Vinegar
  • 3 oz Tomato Paste
  • 1/4 Cup Molasses
  • 1/4 Cup Honey
  • 1 Tsp Ground Cayenne
  • 1 Tsp Granulated Garlic
  • 1 Tsp Onion Powder
  • 1/2 Tsp Celery Salt
  • 1 Tbsp Lea and Perrins Worcestershire Sauce

Cornstarch Slurry

  • 2 Tbsp Cornstarch
  • 1/2 Tbsp Water

Optional Ingredients

  • 1/2 Tbsp Liquid smoke
  • 1 Tbsp Corn Syrup Adds a shine to the sauce

Instructions

  • In a medium sauce pan combine the water, distilled white vinegar, and Worcestershire sauce. Then add your white sugar, honey, and molasses and ensure they are fully dissolved in the liquids.
  • Once the sugars are combined, add your 3 oz of tomato paste (roughly half of a 6 oz can), and then similarly whisk the tomato paste into the liquids.
  • Then create a corn starch slurry in a separate bowl. Ensure the cornstarch is completely combined with the water and then add that to the sauce.
  • Then add the rest of your dry ingredients and whisk together.
  • Get your burner to around medium heat and allow the sauce to come to a slight boil. Once it begins to boil, reduce the heat to low/simmer.
  • As the sauce is simmering, whisky occasionally.
  • Allow the sauce to simmer for 20-25 minutes or until at your desired consistency.
    Note: This style of sauce is suppose to be somewhat thick. You want to reduce your sauce by about half.
  • Once at your consistency, allow to cool. Once cooled, transfer to a small mason jar and store in your refrigerator for 1-2 weeks.

Notes

For a smokey flavor add 1/2 tbsp of liquid smoke. 
For added “shine” add 1 tbsp corn syrup.
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Dylan Clay
Dylan Clay is a pitmaster based in New Hampshire, with over 17 years of experience in grilling, smoking, and dehydrating meat. Throughout this time, he has worked with nearly every cut of meat. In 2019, he launched the Barbecue FAQ website to share his extensive knowledge about all things meat, aiming to assist others in making better barbecue at home.

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  1. 5 stars
    This sauce is super solid!!

    Almost all the recipes online use ketchup and I hate hate hate using it. It’s nice to see one where you can use tomato paste instead.

    I used this for wings and they were delicious. Just as you describe, sweet with a kiss of heat.

    I’ve printed this off for later and laminated it haha.

    Thanks Dylan!

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