In a wok, heat oil over medium heat.
Add garlic and onions. Cook until onions are translucent in color.
Add ampalaya. Cook for another 3 minutes.
Add sardines. Combine all ingredients together gently.
Add pepper to taste and fish sauce. Cook for another 3 minutes.
Remove from heat and serve. Sprinkle with toasted garlic chips.
Inspired by Panlasang Pinoy.