Onion Potato Tart With Balsamic Glaze

• 1 tarte shell (homemade or store bought)
• 1 cup shredded parmesan cheese
• 2 tablespoons lemon zest
• 1 yellow onion, thinly sliced
• 1 pound baby yukon gold potatoes, peeled and thinly sliced (using a mandolin)
• 1/3 cup balsamic vinegar
• 2 tablespoons sugar
• 3 sprigs lemon thyme
• 1 dash coarse salt
• 1 dash freshly ground pepper

1. Preheat Oven to 350 degrees and prepare tart pan with dough.
2. Combine potatoes with cheese, lemon zest, salt and pepper.
3. Layer marinated potatoes along the tart shell until the bottom is completely covered. Top with sliced onions.
4. Bake for 20-25 minutes until tart shell is golden brown and potatoes are cooked through.
5. Meanwhile, heat balsamic vinegar over medium heat, whisking in the sugar until it is completely dissolved. Continue to stir until sauce reduces to a thick glaze.
6. Drizzle glaze over tart and sprinkle liberally with fresh lemon thyme, coarse salt and ground pepper.

shell, parmesan cheese, lemon zest, yellow onion, gold potatoes, balsamic vinegar, sugar, thyme, coarse salt, ground pepper

Taken from food52.com/recipes/10149-onion-potato-tart-with-balsamic-glaze (may not work)