Preheat oven to 325°F. Using dough and pizza roller, finely crush crackers in sealed plastic bag. In 1 quart batter bowl, combine cracker crumbs and butter; mix well. Press crumb mixture onto bottom of 9" x 13" baker. Bake 15 minutes. Using whisk, whisk cream cheese and pesto in 2 quart batter bowl until well blended. Add 1/3 cup of the sour cream and eggs; whisk until smooth. Pour mixture over crust. Bake 20 - 25 minutes or until center is set; remove to cooling rack. Carefully spread remaining sour cream over hot filling using scraper. Cool; refrigerate at least 3 hours. Just before serving, cut into squares. Sprinkle with green onions and tomato.