Slow Cooker Pepper Steak

Ingredients

1 lb (450 g) beef stew meat or sliced beef strips

2 cups sliced bell peppers (red and green)

1 medium onion, sliced into rings

1 cup teriyaki sauce

2 cloves garlic, minced

1 tbsp soy sauce

1 tbsp brown sugar

1 tsp ground black pepper

1 tbsp cornstarch

2 tbsp water