Preheat oven to 375 degrees.
Heat a 10-inch cast-iron pan over med-high heat. Pat fish dry with paper towel and coat with 1/4 tsp salt & pepper.
Add 2 tsp of coconut oil in pan and add fish. Sear on both sides about 4 minutes. Does not need to be totally cooked through, but needs to flake.
In large mixing bowl, whisk eggs. Add coconut milk, red curry paste, fish sauce, and 1/2 salt, and whisk again, until frothy and blended.
In 12-inch cast-iron pan, heat 1 tbs of coconut oil. Add onions, sauté for a few minutes, then sweet potato for another few minutes, then red pepper, and garlic. Season with 1/4 tsp salt.
Add flaked fish. Stir lightly to mix. Bake in oven for 18-22 minutes.
Garnish with toasted sesame oil, scallions, cilantro, and serve over greens.