Heat oven to 400°F. Grease large cookie sheet with shortening or cooking spray. Unroll pizza crust dough; press into 12x8-inch rectangle on cookie sheet. With end of handle of wooden spoon, press indentations in top, about 1 inch apart. Brush dough with oil. Sprinkle with garlic powder, Italian seasoning and Parmesan cheese.
Bake 10 to 13 minutes or until golden brown. Cool 30 minutes; cut in half horizontally.
Spread cut side of bottom of focaccia with spreadable cheese. Top with single layer of tomatoes and basil. Layer turkey evenly over basil. Place top of focaccia, cut side down, over turkey; press down. Pierce through all layers with toothpicks, placing them every 1 1/2 inches over focaccia. With long serrated knife, cut between toothpicks into squares.