Mix the flour, turmeric, salt, sugar, coconut milk and water until smooth and let rest for 30 minutes.
Heat 1 tablespoon oil over medium heat.
Add the shrimp, mushrooms, garlic and the whites of the green onions and saute until the shrimp is almost cooked, about 2-3 minutes and set aside.
Heat 2 teaspoons oil in the pan over medium-high heat.
Pour 1/2 cup of the batter in, swirl it around and sprinkle on 1/2 cup of the bean sprouts over half of the crepe followed by 1/4 of the shrimp and mushrooms and 1/4 of the greens of the green onions.
Drizzle 2 teaspoons of oil around the edges of the crepe.Reduce the heat to medium, cover and cook until the edges begin to brown, about 3-5 minutes.Uncover and cook until the bottom is golden brown, about 3-5 minutes.