Easy Teriyaki Sauce

small onion (, cut into quarters)

fat cloves garlic

mls | 1 cup Tamari (, be sure to use the gluten-free variety if you are gluten intolerant. Dark soy sauce can be used as an alternative to Tamari and you can use a low sodium variety too if you wish)

sesame oil (, it's here for the flavour. You can omit to make this recipe oil-free)

mls | ¼ cup rice vinegar (, or Mirin)

maple syrup

chili flakes

arrowroot powder (, you can use cornstarch instead but arrowroot gives a glossier finish)

mls | ¾ + 1 tablespoon + 1 teaspoon water