Place the chunks of chuck steak into the slow cooker.
Dice the brown onion and add it to the pot.
Add approximately half of a 850 g bag of frozen Chinese-style stir-fry vegetables.
Incorporate two packets of teriyaki sauce into the mixture.
Add a few drops of soy sauce according to your taste.
Stir in two generous tablespoons of minced garlic.
Sprinkle in about one tablespoon of corn flour.
Mix all the ingredients thoroughly to ensure they are well combined.
Cover the slow cooker with its lid and set it to high heat for around six hours.
