Prepare coals for grilling.
Place aluminum drip pan in center of charcoal grate under grilling rack.
Arrange hot coals around drip pan.
Place turkey on greased grill.
Grill, covered, 1 1/2 to 2 hours or until internal temperature reaches 170°F Slice turkey; serve with Walnut Pesto Sauce.
Garnish with red and yellow pear-shaped cherry tomatoes, fresh chives and basil leaves, if desired