Avocado Crab Boats

Preheat broiler. Place 2 avocado halves in a large bowl; mash lightly with a fork. Add mayonnaise and lemon juice; mix until well blended. Stir in crab, 3 tablespoons cilantro, chives, serrano pepper, capers and pepper. Spoon into remaining avocado halves., Transfer to a 15x10x1-in. baking pan. Sprinkle with cheese and paprika. Broil 4-5 in. from heat until cheese is melted, 3-5 minutes. Sprinkle with remaining cilantro; serve with lemon wedges.