In a small fry pan, dry fry coconut flakes until fragrant and lightly browned. Remove and set aside.
Heat vegetable oil in a large pan. Add lemongrass and garlic. Sauté till fragrant, about 2 minutes. Stir in garlic chili sauce, pineapples, shrimps, red bell pepper, and frozen peas. Cook for about 3 minutes or until shrimps turn pink and start to curl.
Add rice, soy sauce, salt and pepper. Stir till well combined and rice is dry, about 3 to 4 minutes.
Turn off heat. Sprinkle coconut flakes on the top. Stir to mix it in.