While the onion cooks, mix together the tomato paste, vinegar, maple syrup, molasses, tamari, mustard, and spices.
¼ cup tomato paste, ¼ cup apple cider vinegar, ¼ cup maple syrup, ¼ cup molasses, 2 tablespoons tamari or coconut aminos, 1 tablespoon Djion mustard, 2 teaspoons smoked paprika, 1 teaspoon garlic powder, 1 teaspoon sea salt, 1 teaspoon red pepper flakes, ¼ teaspoon ground cloves