stir fry beef recipe

Ingredients: 1 pound flank steak or sirloin, thinly sliced against the grain 2 tablespoons soy sauce 1 tablespoon cornstarch 2 tablespoons vegetable oil, divided 1 bell pepper, thinly sliced 1 small onion, thinly sliced 2 cloves garlic, minced 1 tablespoon fresh ginger, grated 2 cups broccoli florets 1/2 cup snap peas or snow peas