Prepare vegetables such as bok choy, onion, bell pepper, and carrot by cutting them into bite-sized pieces.
Heat cooking oil in a pan, then sauté minced garlic and ginger until fragrant.
Add Mala sauce and stir well over medium heat.
Add the prepared vegetables to the pan and stir-fry quickly over high heat.
Season with salt and pepper to taste.
Transfer the stir-fried vegetables with Mala sauce to a plate and serve.