Chard & Herbed Ricotta Galette

Ingredients

• 1 cup white whole-wheat flour, plus more for rolling
• 1/2 cup fine yellow cornmeal
• 1/4 teaspoon salt
• 6 tablespoons cold unsalted butter, cut into 8 pieces
• 1/4 cup ice water
• 2 tablespoons extra-virgin olive oil
• 2 large onions, sliced
• 1/2 teaspoon salt, divided
• 2 tablespoons water
• 1 large bunch chard
• 1 tablespoon white balsamic vinegar or white-wine vinegar
• 1 tablespoon finely chopped garlic
• 2 large eggs, divided
• 1 cup part-skim ricotta cheese
• 1/2 cup chopped soft sun-dried tomatoes
• 1 tablespoon chopped fresh thyme, divided
• 1 tablespoon chopped fresh oregano, divided
• 1/4 teaspoon freshly ground pepper
• 1/2 cup crumbled goat cheese