Beef and Broccoli (30 Minutes!)

Ingredients

• pound flank steak
• tablespoons olive oil
• broccoli florets
• low-sodium soy sauce
• water
• teaspoon apple cider vinegar or rice vinegar
• teaspoon toasted sesame oil
• brown sugar
• tablespoons cornstarch
• teaspoon grated fresh ginger
• garlic
• teaspoon crushed red pepper flakes