Quick Bok Choy Stir Fry

Bahan-bahan (4 porsi)

• 1 tablespoon vegetable oil
• 1 pound small bok choy (about 3-4 small heads)
• 3 cloves garlic (minced, or to taste)
• 1 teaspoon sesame oil
• 2 teaspoons soy sauce
• ½ teaspoon sambal oelek ((garlic chili paste), optional)
• 2 teaspoons sesame seeds