Description

This easy Easy Beef Stir Fry is packed with quick ideas for a simple and best healthy meal. It is perfect for weeknight dinner and meal prep while it also fits a holiday table or a casual potluck party. Tender beef and colorful vegetables cook into a glossy savory sauce that tastes fresh and satisfying. Keep this recipe for busy nights when you want something fast and homemade.

Ingredients

1 pound flank steak
1/4 cup low sodium soy sauce
1/3 cup beef broth
2 tablespoons brown sugar
3 tablespoons cornstarch
2 teaspoons sesame oil
3 cloves minced garlic
1 tablespoon grated fresh ginger
3 cups broccoli florets
1 large sliced red bell pepper
1 large thinly sliced carrot
1 medium sliced yellow onion
2 sliced green onions
1 teaspoon sesame seeds
2 tablespoons neutral oil
1/2 teaspoon black pepper
1/4 teaspoon salt
for serving optional cooked rice

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Instructions

Thinly slice the flank steak against the grain into short strips so the pieces look narrow and flexible rather than thick and stiff. Slice the onion and bell pepper into uneven strips and cut the carrot into thin angled pieces while breaking the broccoli into bite size florets with natural size variation. At this stage everything still looks fresh and raw. The beef is deep red with moist edges and the vegetables look crisp and bright with loose casual layering rather than neat stacks.
Add the soy sauce and beef broth and brown sugar and sesame oil and half of the cornstarch to a bowl. Stir until the sugar starts to dissolve and the mixture turns smooth and deep brown with a slightly cloudy look from the cornstarch. The sauce should look glossy but still fluid and you will notice small streaks disappearing as it comes together. This is the point where the separate ingredients become one savory mixture.
Sprinkle the beef with black pepper and add a spoonful of the sauce mixture along with the garlic and ginger. Toss until the slices are lightly stained brown and the seasonings cling in uneven patches across the surface. Let the beef sit until it looks slightly darker and glossier than it did at first. The strips should appear lightly seasoned and a bit relaxed from the marinade rather than dry and bare.
Sprinkle the remaining cornstarch over the marinated beef and toss again until the strips lose some of their wet shine and pick up a light sticky coating. Some pieces will look more coated than others and that uneven finish is exactly right. Now the beef has moved from plain raw slices to lightly coated strips that will brown better and help the sauce cling later. The surface should look a little tacky rather than watery.
Spread the coated beef out in a loose layer and let it cook until the red color fades on the bottom and the edges begin to turn brown. Turn the strips and continue until the surface looks deeper in color with a few lightly caramelized spots while the centers still look juicy. This is the first big visual transformation of the recipe. The beef changes from raw and coated to firmer and browned with irregular golden brown patches rather than one flat color.
Scatter the onion and carrot over the browned beef first and then add the broccoli and bell pepper on top. Toss the mixture so the vegetables pick up the savory juices and start to soften at the edges while still keeping their bright color. The bowl now looks fuller and more colorful with the beef tucked between the vegetables in a casual way. The onion begins to lose its sharp white look while the peppers and broccoli start to glisten.
Continue stirring until the onion turns tender and translucent in places and the broccoli shifts from raw matte green to a brighter glossy green. The carrots soften slightly while the peppers relax and bend instead of standing stiff. This step brings the mixture into a true stir fry texture. The ingredients are fully combined now and the colors stay while the overall look becomes softer and more cohesive.
Pour the remaining sauce over the beef and vegetables so it lands unevenly across the surface and gathers in shallow pockets before you stir. Toss everything until the sauce coats the pieces and turns from thin and streaky to glossy and thicker. You should see the mixture shift again as the sauce clings to the beef and vegetables instead of pooling away from them. Some areas will hold more sauce than others which gives it that real homemade look.
Cook just until the sauce thickens enough to cling and the beef looks fully cooked with deeper brown edges. The vegetables should be tender crisp and shiny while the sauce turns rich and glossy with a few thicker streaks around the broccoli and onion. This is the finished pan stage where everything looks unified and fully cooked. The color is warm and appetizing with slight browning on the beef and a rich sauce visible in irregular spots.
Spoon the fully cooked beef stir fry onto a plate and let the pieces settle naturally with some vegetables leaning over others and a little sauce collecting in visible spots. Scatter green onions and sesame seeds over the top without trying to cover every bite. The final dish should look deeply savory and fully cooked with glossy sauce and tender vegetables and lightly browned beef. Nothing should look pale or perfect and the plate should feel homemade and ready to serve right away.

Notes

Pro Tips:

Slice the beef against the grain for the most tender bite.
Do not overcrowd the beef or it can steam instead of brown.
Keep the vegetables slightly varied in size so the texture feels natural and homemade.
Stir the sauce before pouring because cornstarch can settle at the bottom.

Storage: Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat gently until hot and glossy again. For longer storage freeze for up to 2 months and thaw overnight before reheating.

Prep Time: 15 minutes
Cook Time: 30 minutes
Category: Dinner
Cuisine: Asian-inspired