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Sweet Onion Apple BBQ Sauce / The perfect recipe to end summer and welcome fall flavors.
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2.81 from 21 votes

Sweet Onion Apple BBQ Sauce

This is the perfect recipe to end summer and welcome fall. Apples are slow cooked with cinnamon sticks, and then pureed with caramelized sweet onions and spices to make a sweet and rich but low in sugar BBQ sauce.
Prep Time20 mins
Cook Time6 hrs
Total Time6 hrs 20 mins
Course: Main Course
Cuisine: American
Servings: 32 servings (2 tablespoons)
Calories: 33kcal


  • 2 1/2 pounds apples peeled and chopped
  • 1 cup water
  • 1 tbsp olive oil
  • 1 sweet onion large
  • 4 cloves garlic minced
  • 1 8 ounce can tomato paste
  • 1/4 cup brown sugar natural unprocessed (like molasses sugar)
  • 1/4 cup apple cider vinegar
  • 1 tablespoon blackstrap molasses
  • 1 1/4 teaspoons sea salt
  • 2 teaspoons dijon mustard
  • dash cayenne pepper to taste


  • Peel and slice the apples. then put in the slow cooker with 1 cup water and cinnamon sticks. Cook on low for 4-6 hours.
  • Add olive oil to a frying pan over medium heat, and add chopped onions and garlic. Saute, lowering heat if necessary, for about 20 minutes, stirring to ensure even browning.
  • While the onions are cooking, add the rest of the ingredients to a blender, along with stewed apples, removing and discarding cinnamon sticks.
  • When onions are caramelized, add them to the blender, and blend on high speed until the mixture is very smooth.
  • Taste, and add more salt or cayenne to taste.


*Nutrition facts are for 1 cup of sauce. A serving of BBQ is closer to 1/4 cup.


Calories: 33kcal | Carbohydrates: 7g | Sodium: 96mg | Potassium: 55mg | Sugar: 5g | Vitamin A: 20IU | Vitamin C: 2.2mg | Calcium: 6mg | Iron: 0.1mg