Healthy Zucchini Beef Stir-Fry

Ingredients

• 1 pound beef sirloin, thinly sliced
• 2 medium zucchinis, sliced into half moons
• 1 red bell pepper, thinly sliced
• 1 yellow onion, thinly sliced
• 3 cloves garlic, minced
• 2 tablespoons olive oil
• 3 tablespoons soy sauce (low sodium, if preferred)
• 1 tablespoon oyster sauce
• 1 tablespoon cornstarch
• 1/4 cup beef broth
• 1 tablespoon fresh ginger, grated
• 1 teaspoon sesame oil
• 1 teaspoon red pepper flakes (optional for heat)
• Salt
• black pepper
• 2 tablespoons sesame seeds, toasted
• 2 green onions, sliced for garnish
• Cooked rice or noodles, for serving