how long do you cook crab legs on the grill
1 Heat grill. 2  Brush both sides of crab legs with oil and place on hot grill 5 to 6 from coals Heat for 4 to 5 minutes, turning once. 3  Remove to plates and serve with the dipping sauce of your choice. 4  Red cocktail sauce, garlic butter sauce, or a thinned down guacamole dip are very nice dipping sauces.