Heat oven to 350ºF. Spray outside of bowl with cooking spray; place upside down in 15x10x1-inch pan. Shape dough into 2 balls. Roll each ball on lightly floured surface with rolling pin until 1/8 inch thick. Sprinkle with sesame seed; gently roll seed into dough. Shape 1 dough, seed side down, over bowl, pleating if necessary. Place remaining dough for cracker bread, seed side up, on cookie sheet lined with cooking parchment paper.