Quick Saucy Pepper Steak Stir-Fry Tips, FAQ & printable recipe

Tips for success

For the absolute best results, always slice the beef while it is slightly frozen. Placing the flank steak in the freezer for fifteen to twenty minutes firms up the meat, making it incredibly easy to slice into paper-thin, uniform strips.

Thin slices cook rapidly and evenly, ensuring that every piece of beef develops a beautiful caramelized crust without drying out in the high heat of the skillet, keeping the meat incredibly tender.

To elevate the flavor of a store-bought stir-fry sauce, you can stir in a splash of toasted sesame oil or a pinch of red pepper flakes just before serving.

Always ensure your skillet or wok is fully preheated before adding any ingredients; a hot pan is the single most important factor in achieving a restaurant-quality sear and preventing the vegetables from becoming soggy. This simple step guarantees that signature smoky stir-fry flavor.

Variations

• Spicy Pepper Beef: Add a pinch of red pepper flakes or sliced fresh chili peppers to the skillet with the red bell peppers for a fiery kick.
• Mushroom Pepper Steak: Toss in a cup of sliced baby bella or shiitake mushrooms along with the red bell peppers for an extra earthy flavor.
• Chicken Pepper Stir-Fry: Swap the beef flank steak for thin strips of boneless, skinless chicken breast, cooking until the internal temperature reaches 165°F (74°C).

Storage and make-ahead

Fridge

Store in an airtight container in the refrigerator for up to three to four days.

Freezer

Freeze in a freezer-safe container for up to two months, though the peppers may become soft upon thawing.

Reheat

Reheat in a hot skillet over medium heat with a splash of beef broth or water to loosen the glaze.

Store any leftover stir-fry in an airtight container in the refrigerator within two hours of cooking. Kept properly, the pepper steak will remain delicious and safe to eat for up to three to four days. Note that the red bell peppers will lose some of their crisp texture as they sit in the savory sauce, but the flavors will continue to meld and deepen over time.

While stir-fries are best enjoyed fresh from the wok, prep work can easily be completed a day in advance. Slice the beef and chop the red bell peppers ahead of time, storing them in separate airtight containers in the refrigerator.

If you are making your own savory brown sauce, whisk the ingredients together and store them in a jar; simply shake well before pouring into the hot skillet.

Serving ideas

Serve this saucy stir-fry piping hot over a generous bed of steamed white jasmine or brown rice. The fluffy rice acts like a sponge, soaking up the rich, savory glaze and ensuring that not a single drop of flavor goes to waste.

Alternatively, serve the pepper steak over cauliflower rice or alongside steamed broccoli for a different presentation that still highlights the delicious sauce.

To complete the meal, consider pairing the stir-fry with a simple side dish such as steamed edamame, a light cucumber salad tossed in rice vinegar, or crispy spring rolls. Garnish the finished plate with a sprinkle of toasted sesame seeds or thinly sliced green onions for a touch of color and a subtle, nutty crunch that makes the dish look as good as it tastes.

Frequently asked questions

Recipe card

Quick Saucy Pepper Steak Stir-Fry

Prep 15 minCook 10 minRest 3 minTotal 28 minServes 4

Ingredients

• 1 lb beef flank steak, sliced into thin strips
• 2 red bell peppers, sliced
• 1/2 cup savory brown stir-fry sauce (store-bought or made ahead)

Instructions

1. Heat a heavy skillet or wok over high heat until smoking. Carefully add the sliced beef strips in a single layer, working in batches if necessary to avoid overcrowding. Sear the beef without moving it for one to two minutes until a deep brown, caramelized crust forms on the bottom.
2. Toss the beef strips and stir-fry for one additional minute until they are cooked through and reach an internal temperature of 145°F (63°C). Transfer the seared beef to a clean plate immediately, ensuring to let the meat rest for at least three minutes to lock in the savory juices.
3. Add the sliced red bell peppers to the same hot skillet over high heat. Stir-fry vigorously for two to three minutes, constantly moving the peppers around the pan until they are vibrant and slightly blistered on the edges but still crisp.
4. Pour the savory brown stir-fry sauce into the skillet with the peppers. Return the rested beef and any accumulated juices to the pan. Simmer everything together for one to two minutes until the sauce bubbles vigorously and thickens into a glossy glaze that coats the beef and peppers.

Contains: soy, gluten

Estimated nutrition per serving

Calories

290

Protein

25 g

Carbohydrates

12 g

Fat

15 g

Fiber

1.5 g

Sugar

5 g

Sodium

850 mg

Automatic estimate from the ingredient list, not laboratory-verified.