Ingredients barbecue sauce 1 10 3/4-ounce (301 g) can tomato puree 1/2 onion, 3 ounces (90 g) chopped fine 3 tablespoons (45 ml) French style whole-grain mustard 3 tablespoons (45 ml) fresh lemon juice sugar substitute equivalent of 2 tablespoons sugar, or to taste 1 tablespoon (15 ml) Worcestershire sauce 1 to 2 tablespoons (15 [...]