Last updated on May 30, 2025
As the grilling season approaches or that crisp autumn air beckons, the urge to try new flavors and combinations in your cooking becomes irresistible. One recipe that can certainly elevate your grilling game is Roasted Rhubarb Barbecue Sauce. This sauce strikes the perfect balance between sweet and tangy, using rhubarb, a surprisingly versatile ingredient. If you’re looking to add a fresh twist to your barbecue, this sauce will not only impress your guests but also open up new flavor possibilities.
In this article, we will guide you through making your own Roasted Rhubarb Barbecue Sauce. Not only will you enjoy the satisfaction of creating a homemade condiment, but you’ll also discover the rich and layered flavors that roasted rhubarb can add to your favorite dishes.
Table of Contents
Why You’ll Love This Roasted Rhubarb Barbecue Sauce
- Fresh and Unique Flavor: Rhubarb has a distinct tanginess that pairs wonderfully with savory ingredients, creating a barbecue sauce that stands out from the crowd.
- Versatile Uses: This sauce is not just for grilled meats! It can enhance a variety of dishes, from roasted vegetables to grilled cheese sandwiches.
- Easy to Make: With simple ingredients and straightforward steps, you can whip up this flavorful sauce in no time.
- Healthy Alternative: Homemade sauces are often healthier than store-bought options, as you can control the sugar and sodium levels.

Roasted Rhubarb Barbecue Sauce
- Total Time: 45 minutes
- Yield: About 2 cups 1x
- Diet: Vegan
Description
This Roasted Rhubarb Barbecue Sauce blends the tart brightness of rhubarb with sweet, smoky, and savory elements for a uniquely flavorful condiment. Perfect for grilling season, it adds a tangy twist to meats, veggies, and sandwiches.
Ingredients
- 4 cups coarsely chopped rhubarb
- 3 cloves garlic
- 1 cup water (plus more as needed)
- 3 tablespoons balsamic vinegar
- 1/2 cup brown sugar
- 1/4 cup ketchup
- 1 tablespoon Worcestershire sauce
- 1 tablespoon chili powder
- 1/4 teaspoon cinnamon
- Dash of cayenne pepper
- Salt and black pepper to taste
Instructions
- Preheat oven to 400°F (200°C). Spread the chopped rhubarb and garlic cloves on a baking sheet and roast for 20–25 minutes, until softened and slightly caramelized.
- Transfer the roasted rhubarb and garlic to a saucepan. Add water, balsamic vinegar, brown sugar, ketchup, Worcestershire sauce, chili powder, cinnamon, and cayenne pepper.
- Bring the mixture to a simmer over medium heat and cook for 15–20 minutes, stirring occasionally. Add more water if the sauce becomes too thick.
- Use an immersion blender or transfer to a blender to puree the sauce until smooth.
- Return to the pan and simmer for another 5–10 minutes. Season with salt and black pepper to taste.
- Let cool and store in an airtight container in the fridge for up to a week.
Notes
- You can strain the sauce after blending for a smoother texture.
- Add a tablespoon of smoked paprika for a smokier flavor profile.
- This sauce pairs well with grilled chicken, pork, tofu, or roasted vegetables.
- Make a double batch and freeze for up to 3 months.
- Prep Time: 10 minutes
- Cook Time: 35 minutes
- Category: Condiment
- Method: Roasting, Simmering
- Cuisine: American
Nutrition
- Serving Size: 2 tablespoons
- Calories: 35
- Sugar: 5g
- Sodium: 90mg
- Fat: 0g
- Saturated Fat: 0g
- Unsaturated Fat: 0g
- Trans Fat: 0g
- Carbohydrates: 8g
- Fiber: 1g
- Protein: 0g
- Cholesterol: 0mg
Keywords: rhubarb barbecue sauce, rhubarb BBQ, homemade BBQ sauce, vegan BBQ sauce, tangy BBQ condiment
Ingredients You’ll Need for Roasted Rhubarb Barbecue Sauce
To make this delicious Roasted Rhubarb Barbecue Sauce, you’ll need the following ingredients. We’ll also look at some optional add-ons to give your sauce an even more personalized touch.
Essential Ingredients:
- 4 cups coarsely chopped rhubarb: This is the star ingredient, providing that characteristic tartness.
- 3 cloves garlic: Adds a rich flavor that complements the rhubarb beautifully.
- 1 cup water (plus more, as needed): Helps to thin the sauce to your desired consistency.
- 3 tablespoons balsamic vinegar: Introduces a sweet and tangy element.
- 1/2 cup brown sugar: Provides sweetness that balances the tartness of the rhubarb.
- 1/4 cup ketchup: This adds depth and a touch of umami.
- 1 tablespoon Worcestershire sauce: Enhances the savory flavor of the sauce.
- 1 tablespoon chili powder: Adds a warming spice that elevates the sauce.
- 1/4 teaspoon cinnamon: Brings in a hint of warmth.
- Dash of cayenne pepper: For a subtle kick.
- Salt and black pepper (to taste): Essential for rounding out the flavors.
Optional Add-Ons:
- Smoked Paprika: For a smoky flavor that can deepen the taste.
- Honey or Maple Syrup: If you prefer a different type of sweetness.
- Extra Spices: Feel free to experiment with herbs like thyme or rosemary to add complexity.




