Easy beef recipes - mongolian beef

Ingredients

• 2/3 lb. flank steak, sliced across the grain - about 2 - kg
• 3 Tbsp. corn starch- 12 tbsp
• 3 tsp. canola oil, divided - did not use
• 1/2 tsp. grated ginger - 2 tsp
• 2 cloves garlic, minced - 4 cloves
• 1/3 cup low-sodium soy sauce - about 1 cup
• 1/3 cup water - about 2 cups
• 1/4 cup brown sugar - 1/2 cup
• 1/4 tsp. (heaping) red pepper flakes - 1 tsp
• 2-3 large scallions, sliced - 6 scallions