Pepper Steak Ingredients 1 lb flank steak (thin sliced) 2 bell peppers (red + green for color) 1 small onion (sliced) 2 cloves garlic (minced) 3 tbsp soy sauce 1 tbsp oyster sauce 1 tbsp cornstarch 1/2 cup beef broth 1 tsp sugar 1/2 tsp black pepper 2 tbsp oil (for cooking) How to Make Beef Pepper Steak Stir-Fry 1. Coat the Beef Toss your sliced beef with cornstarch and a splash of soy sauce. Let it sit for 10 minutes, this gives you that silky texture. 2. Sear the Beef Heat oil in a pan or wok (get it HOT). Cook beef in batches for about 2-3 minutes. Remove and set aside. 3. Cook the Veggies In the same pan: Add onions + peppers Stir for 3-4 minutes until slightly tender but still crisp That crunch? Yeah, that's key. 4. Build the Sauce Add garlic, then pour in: Soy sauce Oyster sauce Beef broth Sugar + pepper Let it bubble for a minute. 5. Bring It All Together Add beef back in. Stir until everything is coated in that shiny, thick sauce. Flavor Tips That Make a Big Difference Add a splash of sesame oil at the end Want heat? Toss in red pepper flakes Like it saucy? Double the sauce mix And hey, if your sauce gets too thick, just add a little water, easy fix.