Toss beef with salt and pepper until evenly coated.
STEP 2
Heat vegetable oil on high heat in a Dutch oven. Brown the beef thoroughly on both sides, doing half at a time, and remove to a bowl. Turn off heat.
STEP 3
Add onions and a pinch of salt to the Dutch oven. Cook, stirring, until onions turn golden, about 5 minutes.
STEP 4
Add flour, and cook, stirring, for 2 minutes more. Add garlic powder, beef bouillon paste, and beef broth. Stir, and wait for broth to boil. Add reserved beef back in.
STEP 5
Stir, cover, and reduce heat to low. Simmer until meat is tender, about 2 hours.
STEP 6
Remove beef to a bowl and reserve. Bring both to a boil and add noodles. Cook until noodles are almost tender.
STEP 7
Stir in beef and reduce heat to low. Once noodles are tender and beef is heated through, taste and adjust seasoning. Serve topped with black pepper and green onions.