Garam Masala Scallops Over Acorn Squash

Name: Garam Masala Scallops Over Acorn Squash
Ingredients: 1 large (1 1/2- to 2-lb) acorn squash; 3/4 lb sea scallops, tough muscle removed from sides if necessary; 1 1/2 tablespoons vegetable oil; 3/4 teaspoon turmeric; 1 1/2 tablespoons minced seeded jalapeño chile; 1 large garlic clove, minced; 2 teaspoons grated peeled fresh ginger; 1 tablespoon plus 2 teaspoons fresh lime juice; 1/4 cup water; 3/4 cup heavy cream; 1 1/2 teaspoons garam masala; Garnish: very thin slices of jalapeño chile, chopped fresh cilantro, and ground Aleppo pepper or cayenne; Accompaniment: haricots verts with mustard seeds and toasted coconut