INGREDIENTS
•
1/2 cup (1 stick) unsalted butter, room temperature, plus more for pan
•
1/2 cup blanched hazelnuts, chopped
•
2 ounces bittersweet chocolate, chopped
•
3/4 teaspoon ground cinnamon
•
1 cup sugar, divided
•
2 cups all-purpose flour
•
3/4 teaspoon baking powder
•
1/2 teaspoon baking soda
•
1/4 teaspoon kosher salt
•
1 teaspoon vanilla extract
•
2 large eggs
•
1 cup plain whole Greek yogurt