Ingredients
-1/2 cup chopped hazelnuts or walnuts
-1 1/2 cups all-purpose flour
-1 cup granulated sugar
-3/4 cup unsweetened "natural" cocoa powder
-1/3 cup whole flaxseeds, ground (see Ingredient Notes)
-1 1/2 teaspoons baking powder
-1 1/2 teaspoons baking soda
-1 teaspoon salt
-1 1/4 cups buttermilk
-1 cup packed light brown sugar
-2 large eggs, lightly beaten