Soft and Chewy Sugar Cookies Recipe

Name: Soft and Chewy Sugar Cookies Recipe
Ingredients: 8 ounces unsalted butter (2 sticks; 225g); firm but pliable, about 60°F (16°C); 10 ounces sugar (1 1/2 cups; 280g); 2 1/2 teaspoons baking powder (10g); 1 1/4 teaspoons Diamond Crystal kosher salt (5g) (For table salt, use half as much by volume or use the same weight); Pinch of freshly grated nutmeg; 1 large egg, cold; 1 tablespoon pure vanilla extract (15ml); 11 1/4 ounces all-purpose flour (about 2 1/2 cups, spooned; 320g); Assorted sanding sugars, nonpareils, and sprinkles, or plain granulated sugar blended with vanilla seeds, luster dust, or powdered food coloring for finishing