Peel jicama and cut in half. Finely chop half of jicama, or enough to measure 1/2 cup , and shred remaining half, or enough to measure 1/3 cup. Reserve any remaining for another use.
In a small bowl stir together jicama, crab, 1 1/2 tablespoons lime juice, scallion, chili, tomato and 1/4 teaspoon garlic. Season seviche with salt and pepper.
Halve avocado, reserving half for another use. In small bowl with a fork mash remaining avocado, remaining 1 1/2 teaspoons lime juice, and remaining 1/4 teaspoon garlic with salt to taste until smooth. Seviche and avocado mixtures may be made 4 hours ahead and chilled separately, their surfaces covered with plastic wrap.
Cut cucumber crosswise diagonally into 24 1/4-inch-thick slices. Top each cucumber slice with 1/2 teaspoon avocado mixture and 1 teaspoon seviche mixture. Yield: 24 hors d'oeuvres, serving 6
CORIANDER LIME SHRIMP
3 cups fresh lime juice 1/4 cup orange marmalade 3 large garlic cloves, minced and mashed to a paste with 1 teaspoon salt 1/2 cup fresh coriander sprigs, washed well, spun dry, and chopped fine 2 tablespoons olive oil 1 tablespoon soy sauce 1/2 teaspoon dried hot red pepper flakes 1 pound large (21 to 24 per pound) shrimp, shelled, leaving tail and first shell section intact, and if desired, deveined Garnish: Fresh coriander sprigs COOKING LIVE SHOW #CL8652
In a measuring cup whisk together lime juice, marmalade, garlic paste, coriander, 1 tablespoon oil, soy sauce, red pepper flakes, and salt and pepper to taste and reserve 1/4 cup mixture in a small bowl or ramekin for dipping. In a large sealable plastic bag combine shrimp with remaining mixture and marinate, chilled, tossing occasionally to coat shrimp, 45 minutes.
Drain shrimp and lightly pat dry between paper towels. In a large non-stick skillet heat 1 1/2 teaspoons oil over moderately high heat until hot but not smoking and saute half of shrimp until golden brown and cooked through, about 1 1/2 minutes on each side. Saute remaining shrimp in remaining 1 teaspoon oil in same manner.
Garnish shrimp with coriander sprigs and serve with reserved dipping sauce.
Adapted from a recipe courtesy of Gourmet Magazine