Heat 1 tbsp oil in a large heavy based pot over medium high heat. Spread half the prawns in a single layer, sprinkle with salt and pepper. Cook for 1 ½ minutes, then turn and cook the other side for 1 minute. Remove into bowl.
2
Add a touch more oil and repeat with remaining prawns. Set aside and keep warm.
3
Turn heat down to medium. Melt butter in pot then add onion and garlic. Cook for 2 minutes until translucent.
