Dinner · Part 2 of 3: Instructions
Tender Pepper Steak with Savory Brown Sauce Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 4
Before you start
Before beginning the cooking process, ensure all ingredients are prepared and within reach. Slice the beef against the grain into thin, uniform strips, as this is critical for achieving a tender texture. Similarly, slice the bell peppers into consistent strips to ensure they cook evenly.
Have the savory brown sauce measured and ready to pour. Organizing your workspace ahead of time allows for the rapid, high-heat cooking required for this dish, preventing the ingredients from overcooking while you search for tools or additional components.
Ingredients at a glance (3)
- 1 lb flank steak, thinly sliced
- 3 cups mixed bell peppers, sliced
- 1 cup savory brown sauce, prepared
Instructions
Searing the beef
- Sear the beefHeat a large skillet over high heat. Add the beef slices in a single layer, ensuring they do not crowd the pan. Sear until browned and cooked through to 145°F (63°C). Remove the beef from the skillet and let it rest on a plate for at least 3 minutes.Look for Beef is browned and reaches 145°FSafe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)Tip Avoid overcrowding the skillet to ensure a proper sear rather than steaming the meat.
The beef should be deeply browned and caramelized on the outside, with a tender interior. The edges of the slices might have a slight crispness from the high-heat sear. Ensure the meat has rested for at least 3 minutes before combining with other ingredients to allow the juices to redistribute, resulting in a more succulent final bite that is consistently tender across every single slice.
Sautéing the peppers
- Cook the peppersAdd the sliced bell peppers to the same skillet. Sauté for 2 to 3 minutes until they are vibrant and slightly softened but still retain a crisp texture. Ensure the pan remains hot to keep the peppers colorful.Look for Peppers are vibrant and tender-crispTip Keep the peppers moving constantly to prevent burning while maintaining their bright color.
The bell peppers should appear bright, glossy, and slightly softened, yet they must retain a noticeable crunch. The colors should be vibrant and intense, not dull or faded. If the peppers appear wilted or limp, they have been cooked too long. The goal is to achieve a texture that provides a fresh, crisp contrast to the savory, tender beef that will be added in the final step.
Combining and glazing
- Combine and glazeReturn the seared beef to the skillet with the peppers. Pour the savory brown sauce over the mixture. Toss everything together using tongs until the beef and peppers are thoroughly coated and the sauce becomes thick and glossy. Remove from heat immediately to prevent overcooking.Look for Sauce is thick and coats the ingredientsTip Use a gentle hand when tossing to keep the beef slices intact and the sauce perfectly emulsified.
The final dish should look cohesive, with every piece of beef and pepper generously coated in a thick, shimmering brown sauce. The sauce should cling to the ingredients rather than pooling at the bottom of the skillet.
The aroma should be savory and rich, signaling that the flavors have successfully melded together. Everything should be served immediately while piping hot to enjoy the ideal texture and flavor profile.
Common mistakes
A common mistake is overcrowding the skillet, which causes the beef to steam in its own juices rather than sear, resulting in a gray color and rubbery texture. Always cook the beef in batches if necessary.
Another error is neglecting to slice the meat against the grain, which makes the steak difficult to chew. Finally, do not overcook the peppers; they should remain crisp-tender. If they become mushy, the overall texture of the dish is compromised, losing the necessary contrast to the tender beef.
How to tell it’s done
The beef is perfectly done when it reaches an internal temperature of 145°F (63°C), indicating a medium level of doneness. At this stage, the meat should be browned on the exterior while remaining juicy and tender on the inside.
Avoid cooking the beef beyond this point to prevent it from becoming dry or tough. Use a meat thermometer to check the thickest piece for accuracy, ensuring a safe and high-quality result that maintains the integrity of the cut.
- Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest
Up next · Part 3 of 3
2 variations · storage & make-ahead · 3 answers · printable card
Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)