Preparation Mix garlic, 1 teaspoon salt, and turmeric in bowl. Place crab on rimmed baking sheet; smear garlic mixture over. Cover; chill 2 hours. Heat medium skillet over medium heat. Add chiles and next 7 ingredients; stir until toasted, about 3 minutes. Transfer to spice grinder; cool. Add coconut to skillet and stir until light brown, about 5 minutes; cool. Add 1/3 cup coconut to spices in grinder; blend well. Add remaining coconut, 1/3 cup at a time, grinding finely. Heat oil in large deep skillet over medium heat. Add onions; saute until golden, about 20 minutes. Add crabs and coconut-spice mixture; reduce heat to low. Cook until heated, tossing with tongs, about 5 minutes. Add coconut milk and 1/2 cup water; bring to simmer. Cover; simmer 15 minutes, turning often. Transfer crab to platter. Serve with lime wedges and rice. *This bright red chile is available at some supermarkets, specialty foods stores, and Latin markets. **Sold at some supermarkets, specialty foods stores, and natural foods stores.
Preparation Mix garlic, 1 teaspoon salt, and turmeric in bowl. Place crab on rimmed baking sheet; smear garlic mixture over. Cover; chill 2 hours. Heat medium skillet over medium heat. Add chiles and next 7 ingredients; stir until toasted, about 3 minutes. Transfer to spice grinder; cool. Add coconut to skillet and stir until light brown, about 5 minutes; cool. Add 1/3 cup coconut to spices in grinder; blend well. Add remaining coconut, 1/3 cup at a time, grinding finely. Heat oil in large deep skillet over medium heat. Add onions; saute until golden, about 20 minutes. Add crabs and coconut-spice mixture; reduce heat to low. Cook until heated, tossing with tongs, about 5 minutes. Add coconut milk and 1/2 cup water; bring to simmer. Cover; simmer 15 minutes, turning often. Transfer crab to platter. Serve with lime wedges and rice. *This bright red chile is available at some supermarkets, specialty foods stores, and Latin markets. **Sold at some supermarkets, specialty foods stores, and natural foods stores.