Free American Lamb Summer Grill Off Prize Pack If Chosen - 9 People Will Be Chosen to Host a Lamb Grill-Off Party With Lots of Free Lamb, Visa Gift Card and Party Supplies. We want you to host 8-10 of your friends for a Summer Lambventure’s Grill-Off. At the end of May, we will choose the nine competitors and in June those competitors will host their party, creating a lamb dish of their choice with the cuts we send. Competitors will send in photos and July 1st voting will begin for the public and end August 15th. The party host with the most votes on their dish will win the grand prize of a Traeger Grill. These recipes must be done on the grill and we’re looking for the most creative and tasty parties.