Caramelized Onion and Goat Cheese Pizza with balsamic

Dough (from the Tapas Cookbook, by Love Food): 2 2/3 cups white bread flour , plus extra for dusting 1 envelope active dry yeast 1 teaspoon salt ½ teaspoon[...]

2 tablespoons olive oil plus extra for brushing phyllo sheets 2 cloves garlic freshly minced 3 each red onions halved and thinly sliced 1 each yellow onion[...]