Beet Cakes with Sweet Greek Yogurt

Name: Beet Cakes with Sweet Greek Yogurt
Ingredients: 2 tablespoons unsalted butter, to grease baking pans; 3 to 4 medium beets, to make 1 1/4 cups finely chopped; 1 1/4 cups all-purpose flour; 1/2 teaspoon baking powder; 1/2 teaspoon baking soda; Kosher salt; 1/4 teaspoon ground allspice; 1/4 teaspoon ground cinnamon; 1/4 teaspoon ground nutmeg; 2 tablespoons pomegranate molasses; 1 cup applesauce; 2 large eggs; 1 cup buttermilk; 3/4 cup dark brown sugar; 1/3 cup vegetable oil; Sweet Greek Yogurt, recipe follows; Beet Garnish, recipe follows; 2 cups unsweetened Greek yogurt; 1/4 cup honey; 1 small beet; 1/4 cup powdered sugar