The rustic Mushrooms Tart
Ingredients 1 sheet frozen Israeli savory dough or puff pastry, thawed 2 large yellow onions, thinly sliced 1 lb cremini mushrooms, sliced 1 lb shiitake mushrooms, sliced 4 tbsp olive oil, divided 1 sprig rosemary 1 large egg + 1 tbsp water, beaten (for egg wash) Salt and black pepper to taste Instructions Preheat oven…