INGREDIENTS
1 lb
beef top sirloin steak
1/4 cup
soy sauce
2 tbsp
white sugar
2 tbsp
cornstarch
1/2 tsp
ground ginger
3 tbsp
vegetable oil, divided
1
red onion, cut into 1-inch squares
1
green bell pepper, cut into 1-inch squares
2
tomatoes, cut into wedges