Step 1

Heat a wok or large pan over medium-high heat. Add the cooking oil and the curry paste. Fry until the aromas bloom, about 1 minute.

Step 2

Add the coconut milk and whisk until smooth.

Step 3

Add the fish sauce, sugar, and kaffir lime leaves.

Step 4

Add in the onion, bell peppers and protein (if adding) and allow it to simmer for 10 minutes.

Step 5

Serve over rice or noodles with a squeeze of lime juice and red chilis, if desired.