Sausage and Chard Mini Galettes

Name: Sausage and Chard Mini Galettes
Ingredients: For the galette crust:; 1 cup all-purpose flour; 1/4 cup coarse cornmeal (a.k.a. grits or polenta); 1/4 teaspoon salt; 8 tablespoons cold, unsalted butter cut into small pieces; 1/4 cup plain Greek yogurt; 2 teaspoons lemon juice; 1/4 cup ice cold water; For the sausage-chard galettes:; 1 tablespoon olive oil; 1/2 pound mild Italian sausage; 1 tablespoon butter; 1 bunch of chard, well washed, trimmed, and chopped into fine ribbons; 2 tablespoons maple syrup; Salt and pepper; 3 large eggs, whisked together