This summer-infused and grill-friendly watermelon bbq sauce is made from a blend of fresh watermelon, brown sugar, balsamic and apple vinegar, and seasonings.
In a food processor, blend seedless watermelon until smooth.
In a medium saucepan over medium heat, add blended watermelon, brown sugar, olive oil, balsamic vinegar, apple cider vinegar, soy sauce, garlic, and mustard. Cook for 20-30 minutes, stirring occasionally, or until the sauce has thickened and reduced by half.
Remove saucepan from heat and allow to cool for 10 minutes.