Are you tired of the same old barbecue sauce and craving something fresh and unique? What if I told you that you could elevate your grilled dishes with a homemade sauce made from an unexpected ingredient—rhubarb? That’s right! Rhubarb sauce, with its tart and tangy flavor, is the perfect base for a one-of-a-kind barbecue sauce that’ll leave your guests asking for more. You might be wondering—how does rhubarb, typically used in pies and desserts, work in a savory sauce? Well, let’s dive into how you can create a sweet, spicy, and utterly irresistible rhubarb barbecue sauce that adds a fresh twist to your summer cookouts.
This homemade rhubarb barbecue sauce recipe is easy to make, and it uses natural ingredients that will infuse your meat with layers of flavor. The balance between the tartness of rhubarb, the sweetness of brown sugar, and the warmth of spices will completely change your grilling game. Plus, it’s a great way to incorporate seasonal rhubarb into your cooking. In this blog post, we’ll walk you through everything you need to know, from the ingredients and preparation to tips for making the perfect rhubarb sauce.
Ingredients List
For the best rhubarb barbecue sauce, you’ll need fresh, quality ingredients. Each one plays a pivotal role in balancing the flavors and texture of your sauce. Here’s what you’ll need:
- Fresh rhubarb (about 4 cups, chopped): Rhubarb is the star of this dish, providing a tart, citrus-like flavor base. Look for vibrant, firm stalks to get the best taste and color.
- Yellow onion (1 medium, finely chopped): Adds a bit of sweetness and depth to the sauce while complementing the sharpness of the rhubarb.
- Garlic (2 cloves, minced): Garlic is essential for that savory depth.
- Apple cider vinegar (1/2 cup): This acidic ingredient enhances the tartness and helps balance the sweetness of the brown sugar.
- Brown sugar (1/3 cup): The sweet counterpart to the tangy rhubarb, brown sugar adds richness and smoothness.
- Ketchup (1/2 cup): This serves as the traditional barbecue base, blending well with the rhubarb for a cohesive texture.
- Worcestershire sauce (1 tablespoon): Adds a complex, savory umami flavor.
- Paprika (1 tablespoon): A smoky, slightly sweet spice that enhances the overall flavor profile.
- Chili powder (1 teaspoon): For a touch of heat and a kick of spice.
- Salt and pepper (to taste): To bring out the natural flavors.
- Olive oil (1 tablespoon): Used for sautéing the onions and garlic.

Substitutions:
- Rhubarb: If you can’t find rhubarb, try using a combination of sour apple and a little lemon juice for similar tartness.
- Brown sugar: You can swap brown sugar with honey or maple syrup for a more natural sweetener.
- Apple cider vinegar: You can also use balsamic vinegar for a deeper, slightly sweeter undertone.
Timing
The preparation and cooking time for this homemade rhubarb barbecue sauce is relatively quick, making it an excellent option for a weeknight meal or last-minute cookout preparation. Here’s the breakdown:
- Preparation time: 15 minutes
- Cooking time: 45 minutes
- Total time: 1 hour
This is about 20% faster than many traditional barbecue sauce recipes, which often require longer simmering times. The speed of this recipe makes it even more appealing for busy days when you want to enjoy a homemade, tangy sauce without the wait.
Step-by-Step Instructions
Creating this homemade rhubarb barbecue sauce is simple and requires minimal effort. Let’s get started with the process!
Step 1: Sauté the Aromatics
In a medium saucepan, heat the olive oil over medium heat. Once hot, add the chopped onion and cook, stirring occasionally, for 3-4 minutes until the onions become soft and translucent. Add the minced garlic and cook for another 1-2 minutes, just until fragrant. This step builds a savory base for your sauce.
Step 2: Simmer the Rhubarb
Now, add the chopped rhubarb to the saucepan, along with apple cider vinegar and brown sugar. Stir everything together and bring the mixture to a simmer. The rhubarb will begin to break down into a soft, pulpy texture. Let it cook for 15-20 minutes, stirring occasionally. The rhubarb should lose its stiffness and become tender, creating a luscious, tangy foundation.
Step 3: Add the Rest of the Ingredients
Once the rhubarb has softened, it’s time to add the rest of the ingredients. Stir in ketchup, Worcestershire sauce, paprika, and chili powder. Season with salt and pepper to taste. Allow the sauce to simmer for an additional 20-25 minutes, stirring occasionally to prevent sticking. The sauce should thicken up during this time.
Step 4: Blend for Smoothness
If you prefer a smoother barbecue sauce, you can use an immersion blender directly in the pan or transfer the mixture to a regular blender. Blend until the sauce reaches your desired consistency. If you like it chunkier, you can skip this step for a more rustic texture.
Step 5: Taste and Adjust
After blending (if desired), taste your rhubarb barbecue sauce. You can adjust the seasoning by adding more sugar for sweetness or vinegar for extra tartness. If you like more heat, add an extra dash of chili powder or a pinch of cayenne.
Once you’re satisfied with the flavor, let the sauce cool slightly before serving or storing.

Nutritional Information
Here’s a breakdown of the nutritional content for one serving (about 2 tablespoons) of homemade rhubarb barbecue sauce:
- Calories: 45 kcal
- Carbohydrates: 11 g
- Protein: 0 g
- Fat: 0 g
- Fiber: 0 g
- Sugar: 9 g (from rhubarb and brown sugar)
- Sodium: 120 mg
Nutritional Insights:
- Low in Fat: This sauce contains no fat, making it a great choice for anyone looking to enjoy a flavorful barbecue sauce without the added calories.
- Sugar Content: While it’s sweetened with brown sugar, the sugar content is relatively low compared to store-bought sauces that are often packed with high-fructose corn syrup.
- Low in Calories: At just 45 calories per serving, this homemade rhubarb barbecue sauce is a healthier alternative to many store-bought versions.
Healthier Alternatives for the Recipe
Looking to make this recipe even healthier? Here are some easy swaps and tips:
- Use Honey or Maple Syrup: Instead of brown sugar, use raw honey or pure maple syrup to lower the glycemic index and add natural sweetness.
- Low-Sodium Worcestershire Sauce: If you’re watching your sodium intake, opt for a low-sodium Worcestershire sauce to reduce the salt content.
- Add More Vegetables: You can increase the nutritional value by blending in carrots or sweet potatoes for extra vitamins and fiber while keeping the sauce thick and hearty.
Serving Suggestions
This tangy rhubarb barbecue sauce pairs perfectly with a variety of grilled meats and vegetables. Here are some ideas for serving:
- Grilled Chicken: Brush the sauce onto grilled chicken wings or a whole roasted chicken for a fresh, sweet and smoky twist.
- BBQ Ribs: The sauce is a fantastic companion to fall-off-the-bone ribs. It complements the richness of pork with its tart and spicy notes.
- Veggie Burgers: For a vegetarian option, try the sauce on a veggie burger or grilled portobello mushrooms.
- Grilled Corn on the Cob: The tangy sauce can be used as a dipping sauce for grilled corn on the cob, giving it a unique flavor boost.
Pro Tip: For an extra touch of flavor, serve the sauce alongside a light, refreshing side salad to balance out the richness of your grilled meats.
Common Mistakes to Avoid
Creating the perfect rhubarb barbecue sauce can be tricky if you’re not careful. Here are some common pitfalls and how to avoid them:
- Overcooking the Rhubarb: Overcooking the rhubarb can result in a sauce that’s too mushy. Be sure to cook it just until it’s tender but still retains some texture.
- Not Adjusting the Seasonings: Every palate is different. Be sure to taste your sauce and adjust the vinegar, sugar, and spices to your liking. The right balance between sweet, sour, and savory is key.
- Under-simmering: Don’t rush the simmering process. Allow the sauce to cook long enough to thicken and develop its flavors fully.

Storing Tips for the Recipe
Leftover rhubarb barbecue sauce can be stored for future use:
- Refrigerator: Store the sauce in an airtight container in the fridge for up to 1 week.
- Freezer: For longer storage, freeze the sauce in freezer-safe bags or containers for up to 3 months. Simply thaw in the fridge overnight before using.
Conclusion
This homemade rhubarb barbecue sauce is a game-changer. With its unique blend of tangy rhubarb, sweet brown sugar, and zesty spices, it’s the perfect way to add a flavorful twist to your grilled dishes. Whether you’re serving it with chicken, ribs, or vegetables, it’s guaranteed to impress.
Don’t just take our word for it—try making this rhubarb sauce yourself! Let us know how it turned out by leaving a comment or reviewing the recipe below. Be sure to subscribe for more delicious recipes and tips!
FAQs
1. Can I use frozen rhubarb for this recipe?
Yes! Frozen rhubarb works just as well as fresh rhubarb. Just be sure to thaw and drain any excess liquid before adding it to your sauce.
2. How do I make the sauce spicier?
If you like your sauce spicier, add more chili powder, cayenne pepper, or even a small chopped jalapeño to the mix.
3. Can I make the sauce ahead of time?
Yes, this sauce can be made up to a week ahead of time and stored in the refrigerator. The flavors tend to improve after a day or two!
4. Is this sauce vegan-friendly?
Yes, this rhubarb barbecue sauce is naturally vegan, as it contains no animal products. Just make sure your Worcestershire sauce is vegan (some brands use anchovies).
Print
Homemade Rhubarb Barbecue Sauce
- Total Time: 1 hour
- Yield: About 2 cups 1x
Description
This homemade rhubarb barbecue sauce blends the tart, citrusy flavor of fresh rhubarb with smoky, sweet, and spicy notes. Perfect for adding a unique twist to grilled meats, vegetables, and more. Easy to prepare, this sauce is a delightful addition to your summer cookouts.
Ingredients
4 cups fresh rhubarb, chopped
1 medium yellow onion, finely chopped
2 cloves garlic, minced
1/2 cup apple cider vinegar
1/3 cup brown sugar
1/2 cup ketchup
1 tablespoon Worcestershire sauce
1 tablespoon paprika
1 teaspoon chili powder
Salt and pepper to taste
1 tablespoon olive oil
Instructions
Sauté Aromatics: In a medium saucepan, heat the olive oil over medium heat. Add the chopped onion and sauté for 3-4 minutes until soft and translucent. Add minced garlic and cook for another 1-2 minutes until fragrant.
Cook the Rhubarb: Add the chopped rhubarb, apple cider vinegar, and brown sugar to the pan. Stir to combine and bring the mixture to a simmer. Let it cook for 15-20 minutes, stirring occasionally, until the rhubarb softens and becomes tender.
Add Remaining Ingredients: Stir in ketchup, Worcestershire sauce, paprika, chili powder, salt, and pepper. Simmer for an additional 20-25 minutes, allowing the sauce to thicken. Stir occasionally to prevent burning.
Blend (Optional): For a smoother texture, use an immersion blender or transfer the mixture to a regular blender. Blend until you reach your desired consistency.
Adjust Flavor: Taste the sauce and adjust seasoning as needed. If you’d like a sweeter sauce, add more brown sugar; if you’d like it tangier, add more vinegar.
Cool and Serve: Let the sauce cool before serving.
Notes
Store leftovers in an airtight container in the refrigerator for up to a week or freeze for up to 3 months.
If you prefer a spicier sauce, feel free to increase the amount of chili powder or add a pinch of cayenne pepper.
For a richer flavor, try using balsamic vinegar in place of apple cider vinegar.
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Category: Condiment, Sauce
- Method: Stovetop
- Cuisine: American
Keywords: rhubarb sauce, homemade barbecue sauce, tangy barbecue sauce, rhubarb recipes, unique barbecue sauce, rhubarb barbecue