Directions
Preheat oven to 375.
On a floured surface roll out your pie dough about ¼ inch thick and place over a tart pan with a removable bottom. Gently press into the bottom and sides of an 8-9 inch round tart pan. With a rolling pin, roll over the tart pan removing extra dough from the sides. Using a fork, poke the bottom of the dough. Place the tart pan in the fridge to chill for about 15 minutes. Remove from the fridge and gently line the unbaked dough with tin foil then fill with dry beans or rice. Evenly distribute the rice or beans in the shell. This acts as a weight while you bake the shell making sure it doesn’t shrink in your tart pan. Bake tart shell for about 15 minutes. Remove from the oven then remove foil filled with dry beans and rice and place the shell back in the oven for about 5 minutes in order to get the bottom a light golden color. Remove and let cool.
In a large skillet melt 4 tablespoons of butter on medium high heat then add your peeled and sliced onions. Stir occasionally and add more butter as needed. You will be surprised how long it takes to caramelize the onions to the desired consistency but make sure you keep your eyes on them as you don’t want them to actually burn.
While the onions are cooking whisk together 3 eggs at room temperature with 5 ounces of goat cheese also at room temperature until nice and creamy. Pour over the cooled tart shell and bake in the oven for 12 minutes or until the egg and goat cheese mixture has set up. Remove from the oven and set aside.
Once the onions have become a dark caramel brown and shrank dramatically in size season with a little kosher salt. Taste, do they need more salt? Now that the seasoning is just right turn heat off and let the onions cool down for 10-15 minutes. Scoop the caramelized onions into the tart shell and spread evenly. I like to add a few dollops of the left over ounce of goat cheese to the top but that is optional.
Turn the oven on broil and place tart shell under the broiler. Once the dollops of goat cheese have some color remove from the broiler.
