In small saucepan, combine butter, garlic, peppercorns, and chilli oil; simmer over low heat until butter is melted and garlic begins to sizzle. Remove from heat; stir in cilantro.
Thread shrimp on four or five skewers. Brush with olive oil. Place shrimp in centre of cooking grate. Grill 4 to 5 minutes until pink and just opaque, turning once halfway through grilling time. Do not overcook. Season with salt and pepper to taste.
Remove shrimp from skewers; toss with butter mixture, hot pasta, and cheese. Serve hot.