To begin making the Caramelized Onion Tart with Ricotta Cheese Recipe preheat the oven to 180 C and grease a baking sheet with butter.

To make the onion tart, we will first need to caramelize the onions. Heat some olive oil in a heavy bottomed pan, add in the sliced onions, some salt and rosemary. Stir to combine the ingredient. Keep the heat moderately high, cover the pan and cook until, until softened, about 10 minutes stirring occasionally.

Once softened slightly, reduce the heat to moderately low and cook, until the onions are golden brown and caramelized - about 20 minutes longer. Make sure you keep stirring occasionally to prevent burning.

Once golden brown, remove from the heat and keep aside. Allow the onions to cool and set aside till you get the pie crust ready.

To make the pie crust: we will generously flour the work surface. Place the chilled pie crust on the flour and using the heel of your palms, press down the dough to make it flat and pulling it outward to stretch the dough. Now using a rolling pin roll out the dough to a large round of about quarter inch thickness.

Transfer the pie crust to the greased baking sheet. Spread the onions on the around the pie dough leaving a 1-1/2-inch border. Sprinkle more rosemary for flavor, this is purely optional. Finally we will Fold the edge of the dough up and over the filling

Place the tart in the preheated oven and bake for about 30 to 35 minutes, until the dough is richly browned on the bottom and sides.

We will now sprinkle the ricotta cheese and some generous amount of chilly flakes.

Cut the warm Caramelized Onion Tart with Ricotta Cheese into wedges and serve for your holiday parties.