Creating Quick and Easy Beef Stir-Fry with Veggies is straightforward with these clear steps:

1. Slice the Beef: Cut the beef into thin strips against the grain to ensure tenderness.
2. Prepare the Vegetables: Wash and chop your mixed vegetables into bite-sized pieces for even cooking.
3. Heat the Oil: In a large skillet or wok, heat the vegetable oil over medium-high heat until shimmering.
4. Cook the Beef: Add the sliced beef to the skillet. Cook for about 3-4 minutes, stirring frequently until browned.
5. Add Garlic: Once the beef is nearly cooked, add the minced garlic. Stir for about 30 seconds until fragrant.
6. Incorporate Vegetables: Add the mixed vegetables to the skillet. Stir-fry for another 3-5 minutes until the veggies are vibrant and tender-crisp.
7. Add Soy Sauce: Drizzle the soy sauce over the stir-fry. Toss everything together for an additional minute to combine the flavors.
8. Taste and Adjust: Sample the stir-fry and adjust seasoning to your preference. If desired, add more soy sauce.
9. Serve: Remove from heat and let sit for a moment before plating.

By following these steps, you'll create a beautiful and delicious stir-fry bursting with flavor in no time!