Grilled King Crab with Avocado Mayonnaise

Ingredients:
7 Tbsp. lime juice, divided
2 garlic cloves, minced and divided
2 Tbsp. minced fresh cilantro, divided
2 lb. king crab legs
1/4 c. mashed ripe avocados
3 Tbsp. mayonnaise

Directions:
Coat grill rack with nonstick cooking spray.  Preheat grill to medium heat.  Combine 3 Tbsp. lime juice, 1 clove garlic and 1 Tbsp. cilantro in a small bowl; drizzle over crab.  Grill crab, covered with a grill lid, for 5-7 minutes or until cooked through.  Process avocado, remaining cilantro, remaining garlic clove, mayonnaise and remaining lime juice in a blender until smooth, stopping to scrape down the sides.  Serve the mayonnaise mixture as a dip for the grilled crab.