Preheat oven to 450 degrees F. Lightly grease a baking sheet; sprinkle with cornmeal. Divide dough in half. On a lightly floured surface roll and stretch each half of dough into a 12x4-inch oval. Brush with olive oil. Transfer to the prepared baking sheet.
Divide artichoke tapenade between dough; spread evenly. Sprinkle with cheese. Top with tomatoes, olives, and red onion. Bake about 15 minutes or until crust is golden. Top with parsley. Cut each flatbread into 3 pieces.
Food Processor Flatbread Dough
Coat a medium bowl with olive oil or cooking spray. In a food processor combine the next four ingredients (through salt). With the food processor running, add 1 Tbsp. olive oil and the warm water. Process until a dough forms. Remove and shape into a smooth ball. Place dough in the prepared bowl; turn once to coat dough surface. Cover bowl with plastic wrap. Let stand in a warm place until double in size (45 to 60 minutes).