Place the beef, bell peppers and onions in a 4-quart or larger slow cooker.

Set aside.

Add ¼ cup of the water in a glass, drop the beef bouillon cubes into in and microwave for 60 seconds, stir the bouillon cubes until the dissolve in the water.

In a small bowl combine the other ¼ cup water (make this cold water), and the cornstarch, soy sauce, ginger, garlic powder, black pepper, and brown sugar, whisk until the cornstarch dissolves.

Add the hot beef bouillon water to this mixture and stir.

Now pour this sauce over the beef, peppers and onions in the slow cooker.

Cover and cook on LOW for 5 hours.

Serve over steamed rice 🍚