In a pot, heat two tablespoons of canola oil over medium heat. Sauté the garlic and onions until golden brown.
Add the diced beef, water, stewed tomato, salt, black pepper, tomato paste, and garlic powder. Bring to a boil.
Reduce heat to low and simmer until the beef is soft.
Add the mix vegetables, corn, and rice noodle. Cook until everything is heated through.
Serve hot. Total cooking time is about 45 minutes.