01 -
Heat vegetable oil in a large skillet over medium heat. Add the chopped onion, red bell pepper, and broccoli florets. Cook, stirring often, until vegetables are tender, about 5 minutes. Transfer vegetables to a plate and set aside.
02 -
Add ground beef to the skillet. Season with salt and black pepper. Cook, breaking up meat with a spatula, until beef is thoroughly browned and no longer pink, approximately 5 minutes. Drain excess fat.
03 -
Return the cooked vegetables to the skillet with the beef. Stir well to combine and keep warm over low heat.
04 -
In a small bowl, whisk together soy sauce, brown sugar, apple cider vinegar, sriracha, and minced garlic until fully blended.
05 -
Bring a medium saucepan of water to a boil. Add the ramen noodles and cook until tender, about 2 minutes. Drain and discard the cooking water.
06 -
Transfer drained noodles to the skillet. Pour the prepared sauce over the mixture and toss thoroughly to combine. Adjust seasoning with additional salt or pepper if desired. Garnish with chopped scallion and serve immediately.