2 sticks unsalted butter, cut into 1-inch pieces

Special equipment: cheesecloth
clarified, butter,

1 medium onion, halved lengthwise, then thinly sliced lengthwise
2 tablespoons vegetable oil
1 tablespoon minced fresh jalapeño, including seeds
1 garlic clove, minced
1 teaspoon finely grated peeled fresh ginger
1 teaspoon ground cumin
1 teaspoon ground coriander
3/4 teaspoon salt
1/8 teaspoon turmeric (optional)
1 lb tomatoes (3 medium), cut into 1/2-inch pieces
1 lb large shrimp in shell (21 to 25 per lb), peeled and deveined
1/2 cup loosely packed fresh cilantro leaves, chopped if desired
spiced, shrimp,

1/3 cup mild-flavored (light) molasses
3 tablespoons unsalted butter, cut into small pieces
8 whole cardamom pods , lightly cracked
2 teaspoons fresh lime juice

1 1/2 pineapples, peeled, cut crosswise into twelve 3/4-inch-thick rounds
2 tablespoons peanut oil
Vanilla ice cream
cardamom, pineapple, vanilla