Pour ingredients into a small saucepan. Cover and bring to a light boil over medium-low heat. Boil for 5 minutes.
Allow to cool and store in an air-tight container for up to 2 weeks.
Notes
Pasta sauce: sugar-free pasta sauce exists... you just have to read the labels very carefully. It doesn't have to be the fancy kind either. I was able to find a Superstore brand pasta sauce that was free of gluten and sugar. Woo!
Recipe by Healthful Pursuit at https://www.healthfulpursuit.com/2014/02/lentil-bake-with-sugar-free-barbecue-sauce/