01 -
12 ounces top round beef, thinly sliced
02 -
Kosher salt
03 -
Freshly ground black pepper
04 -
2 tablespoons peanut oil, divided
05 -
1 tablespoon soy sauce
06 -
1 tablespoon rice wine vinegar
07 -
1½ teaspoons crushed red-pepper flakes
08 -
1 red bell pepper, thinly sliced
09 -
1 yellow bell pepper, thinly sliced
10 -
1 green bell pepper, thinly sliced
11 -
1 orange bell pepper, thinly sliced
12 -
3 garlic cloves, minced
13 -
1 bunch scallions, thinly sliced
14 -
Sesame seeds, as needed for finishing