Pre-heat oven to 450°F. Use a pizza stone for best results.
Peel and slice onions thinly.
Cook onions in 2 tablespoons olive oil on medium heat until golden brown with picked thyme leaves.
**While onions are cooking roll out pizza dough on flour dusted work surface ¼” to ½” thick**
Brush pizza dough with remaining oil, then top with caramelized onion and thinly sliced brie.
Bake at 450°F for 6 minutes on sheet pan or pizza stone.
Remove pizza from oven top with apples and return to oven for another 6 minutes.
Remove pizza from oven and drizzle with balsamic glaze and top with fresh basil leaves.