Into hot, boiled water add Better Than Bouillon and brown sugar; stir to dissolve. Into the mixture, add soy sauce and set aside.
Dice carrots, broccoli, and onion into two-inch pieces. Pre-slice beef into very thin strips. Using a hot skillet with sesame oil, cook beef until golden brown, remove from the skillet, and set aside.
Using the same skillet that was used to cook beef, sauté onions until golden brown with sesame oil. Remove from the skillet. In the same skillet, sauté carrots until softened, add broccoli, and cook for about three minutes. Press garlic into the same mixture.
Add cooked beef into the skillet with vegetables. Pour sauce over the ingredients and let them simmer for about 2 minutes.
Add cooked noodles and toss everything together.
Into a large dish, combine noodles, vegetables, and beef. Toss to bring everything together and serve while it's still hot.