Ingredients

• 1/2 cup coarsely chopped lemon grass
• 1 onion, coarsely chopped
• 2 cloves garlic
• 1 1/2 pounds lean ground beef 1 teaspoon salt
• 1/2 teaspoon ground black pepper
• 1 teaspoon white sugar 1 tablespoon cornstarch
• 1 tablespoon oyster sauce 1 teaspoon sesame oil