Sweet Onion and Maple BBQ Sauce

Name: Sweet Onion and Maple BBQ Sauce
Prep time: 10 min
Cook time: 30 min
Total time: 30 min
Yield: 385 g
Ingredients: 225 g onions; 2 garlic cloves; 15 g vegetable oil; 225 g maple syrup; 45 g tomato paste; 2 tbsp apple cider vinegar; 1 tsp salt; ¾ tsp ground ginger; 2 tsp Worcestershire sauce; 2 tsp ground mustard powder; ¼ tsp ground black pepper