Boil water in a pot and add the crushed ginger. Cook for 2 minutes to infuse the liquid.
4 cups water, 4 thumbs ginger
Add the mussels and boil for 1 minute. Drain using a strainer, then separate the meat from the shells and set aside.
2 lbs mussels
Heat cooking oil in a large pan over medium heat. Sauté the garlic until it starts to brown.
3 tablespoons cooking oil, 5 cloves garlic
Add the onion and minced ginger. Continue sautéing until the onion softens.
1 pieces onion, 2 thumbs ginger
Stir in the shrimp paste and Thai chili pepper. Cook for 30 to 45 seconds to bloom the flavors.
3 tablespoons shrimp paste, 4 pieces Thai chili pepper
Pour in the coconut milk and bring to a gentle boil.
2 cups coconut milk
Add the mussels and simmer for 1 minute. Remove the mussels and continue cooking the sauce until it thickens and reduces by half.
2 lbs mussels
Add the long green pepper and return the mussels to the pan. Cook for 1 minute or until the peppers slightly soften.
1 pieces long green pepper, 2 lbs mussels
Season with ground black pepper, adjust to taste, and serve hot with rice.
1/4 teaspoon ground black pepper