Quick Mongolian Beef Stir-Fry

INGREDIENTS

2 tbsp

canola oil, divided

12 oz

flank steak, thinly sliced

1/2 tsp

black pepper

1/4 tsp

kosher salt

1/4 cup

dark brown sugar

3 tbsp

reduced-sodium soy sauce

2 tbsp

unseasoned rice vinegar

3 cups

fresh broccoli florets

3 cups

sliced red bell peppers (about 2 medium)

2 cups

hot cooked brown rice

1/2 cup

chopped green onions (green parts only)