Beef and Broccoli Stir-fry

Ingredients

• 1/2 cup Soy sauce
• 2 tablespoon Lemon Juice
• 1 tablespoon Corn starch
• 1 tablespoon Brown sugar
• 1 clove Garlic crushed
• 1 teaspoon Pepper
• 2 tablespoon Vegetable oil
• 2 pound Sirloin Or Flank Steak sliced 1/4" thick
• 1 medium Onion thinly sliced
• 2 heads Broccoli
• 2 teaspoon Fresh ginger grated