15-Minute Sheet Pan Beef and Broccoli

low-sodium soy sauce

to 5 cloves garlic, finely minced or pressed

to 3 tablespoons honey

brown sugar, packed

sesame oil

rice vinegar

to 3 teaspoons ground ginger

kosher salt, optional and to taste (soy sauce already has salt)

freshly ground black pepper, or to taste

cayenne pepper or red pepper flakes, optional and to taste

to 1.25 pounds flank steak, sliced against the grain in bite size pieces

about 4 to 6 cups broccoli florets

cornstarch, optional (see step 7.)

cold water, optional (see step 7.)

to 3 green onions sliced in 1-inch segments on the bias, optional for garnishing

sesame seeds, optional for garnishing