Drain the yogurt in a coffee filter or cheese cloth-lined sieve, set over a bowl, until thickened to about 1 cup, about 2 hours.
Heat the oil in a small skillet over medium heat. Add the garlic and cook, stirring, until fragrant, about 2 minutes. Add the curry and cook, stirring, until fragrant about 30 seconds more. Set aside to cool.
In a bowl, combine the drained yogurt, curry mixture, mayonnaise, chutney, scallion, hot sauce, lime juice, and coriander.
Season with salt and pepper, to taste. Serve with vegetables, crackers, or chips.
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