Heat olive oil in a large skillet over medium-high heat.
Add chopped onions and sauté until translucent.
Incorporate minced garlic and cook for another minute.
Add the beef pieces, seasoning with salt and pepper. Brown on all sides.
Pour in beef broth, soy sauce, and Worcestershire sauce.
Bring the mixture to a boil, then reduce heat to low.
Add bell peppers and cover the skillet.
Let it simmer for about 20 minutes, stirring occasionally.
Check for tenderness and adjust seasoning as needed.
Garnish with freshly chopped parsley before serving.