Recipe: <!-- -->Jerusalem Artichoke and Parmesan Tart<!-- --> | Whole Foods Market

Ingredients

• Polenta Pastry 1 cup all-purpose flour, as needed for rolling dough
• 1/4 cup coarse polenta
• salt, pinch of
• 1/2 cup (1 stick) butter, slightly softened, cut into pieces
• 1/4 cup grated Parmesan
• 1 tablespoon chopped fresh thyme
• 1 egg, beaten
• Tart 3/4 pound Jerusalem artichokes, peeled and thinly sliced
• 1 teaspoon brown rice vinegar
• 1 1/2 teaspoons fine sea salt, divided
• 2 tablespoons butter
• 1 red onion, thinly sliced
• 1 clove garlic, crushed
• 1/3 cup half-and-half
• 1/3 cup sour cream
• 2 egg yolks, beaten
• Ground black pepper, to taste
• Freshly grated nutmeg to taste