TEXAS SHEET CAKE COOKIES
INGREDIENTS : Cookies:1/4 cup semisweet chocolate chips (such as Ghiradelli® 60% Cacao)1 1/8 cups all-purpose flour3 tablespoons unsweetened baking cocoa (such as Ghirardelli®)1 teaspoon baking powder1 teaspoon ground cinnamon (optional)1/4 teaspoon baking soda1/2 teaspoon salt1/2 cup unsalted butter, softened1/3 cup white sugar1 large egg, room temperature1 1/2 teaspoons vanilla extract1/4 cup buttermilk, at room temperature…