- 1/2 cup butter, softened, divided
- 1 lime, juiced
- 2 tablespoons olive oil
- 2 tablespoons chopped spring onion
- 1 tablespoon chopped garlic
- salt and ground black pepper to taste
- 2 pounds prawns, peeled and deveined
- 1/2 cup ketchup
- 1/3 cup chipotle peppers in adobo sauce
- 1 tablespoon soy-based liquid seasoning (such as Maggi®)
- Whisk 1/4 cup butter, lime juice, olive oil, spring onion, garlic, salt, and pepper in a bowl. Add prawns and toss to coat well with marinade.
- Melt remaining 1/4 cup butter in a saucepan over medium heat. Add prawns with marinade; cook until pink, 3 to 5 minutes.
- Combine ketchup, chipotle peppers, liquid seasoning, and salt in a blender; blend until smooth.
- Pour ketchup mixture over prawns and cook, stirring constantly, until sauce comes to a boil. Reduce heat to low and simmer until sauce thickens, 3 to 5 minutes.