Creating Ground Beef Teriyaki is straightforward if you follow these simple steps:

1. Prepare Ingredients: Chop the onion, bell peppers, and broccoli into bite-sized pieces.
2. Heat Oil: In a large skillet or wok, heat the vegetable oil over medium-high heat.
3. Cook Ground Beef: Add the ground beef to the skillet, breaking it up with a spatula. Cook until browned, about 5-7 minutes.
4. Add Aromatics: Add the minced garlic and chopped onion to the skillet. Stir and cook until the onion becomes translucent, about 2-3 minutes.
5. Incorporate Vegetables: Add the sliced bell peppers and broccoli florets to the skillet. Cook for an additional 5 minutes, stirring regularly.
6. Add Teriyaki Sauce: Pour in the teriyaki sauce, stirring to coat the beef and vegetables evenly. Allow it to simmer for another 3-5 minutes until heated throughout.
7. Serve: Remove from the heat and garnish with sliced green onions and sesame seeds, if desired. Serve over cooked rice or noodles.

These steps will guide you in creating this incredible dish effortlessly.