Chinese Ground Beef and Cabbage Stir Fry

Ingredients

• 1 lb ground beef
• 1 tablespoon vegetable oil
• 1 small onion, finely chopped
• 3 cloves, minced
• 1 tablespoon ginger, grated
• 1 small head of cabbage, thinly sliced
• 2 tablespoons soy sauce
• 1 tablespoon oyster sauce
• 1 tablespoon Hoisin sauce
• 1 teaspoon sesame oil
• 1 tablespoon rice vinegar
• 1 tablespoon cornstarch mixed with 2 s water (slurry)
• 1 teaspoon red pepper flakes (optional)
• Salt and pepper to taste
• Sliced green onions and sesame seeds for garnish (optional)