Step 1

Measure soy sauce into a large spouted measuring cup and whisk in the corn starch until completely dissolved. Gradually pour in the broth until combined. It'll be cloudy, this is normal.

Step 2

Pour the sauce to a medium saucepan, turn heat to high and bring to a boil. The sauce is done once it goes from a thin consistency and muddy opaque colour to a glossy, clear caramel colour and thicker consistency.

Step 3

Once your stir fry is 90% done (veggies are crisp-tender, meat, if using) is cooked nearly to desired doneness, pour the sauce over everything. The hot food will thicken the sauce in less than a minute. The sauce is done once it goes from a thin consistency and muddy opaque colour to a glossy, clear caramel colour and thicker consistency.