1 tablespoon extra virgin olive oil |
1 large red onion, thinly sliced |
2 tablespoons balsamic vinegar |
1 1/2 cups (6 ounces) shredded cheddar cheese |
1 cup (4 ounces) crumbled gorgonzola cheese, divided |
1/2 recipe brick oven pizza dough |
1 large granny smith apple, cored and thinly sliced |
1/2 cup coarsely chopped walnuts |