3/4 cup unsalted butter (room temperature), 1/2 cup granulated sugar, 1/4 cup brown sugar, 2 large eggs (room temperature), 1 teaspoon vanilla extract, 2 3/4 cups all purpose flour (*measured properly), 1 teaspoon baking powder, 1/2 teaspoon salt, 1 cup mini chocolate chips, 2 tablespoons colorful jimmies sprinkles

1/2 cup butter, softened, 3/4 cup sugar, 1 large egg, room temperature, 1 teaspoon vanilla extract, 1-1/2 cups all-purpose flour, 1 teaspoon baking powder, 1/2 teaspoon salt, FROSTING:, 3-3/4 cups confectioners' sugar, 1/4 cup shortening, 4 to 6 tablespoons water, Optional: Yellow, orange, green and black paste food coloring

1 and 1/2 cups (188g) all-purpose flour (spooned & leveled), 3/4 cup (62g) unsweetened natural cocoa powder (or dutch process cocoa powder), plus more as needed for rolling and work surface, 1 teaspoon baking powder, 1/8 teaspoon salt, 3/4 cup (12 Tbsp; 170g) unsalted butter, softened to room temperature, 1 cup (200g) granulated sugar, 1 large egg, at room temperature, 1 teaspoon pure vanilla extract, Royal Icing or Easy Cookie Icing, optional: gel food coloring for tinting icings

1 cups granulated sugar, 1 cup (2 sticks) butter, softened, 1 egg, 2 teaspoons vanilla extract, 1/2 teaspoon almond extract, 3 1/4 cups all-purpose flour, 1 teaspoon baking powder, 1/2 teaspoon salt, Orange Cookie Icing, Black Cookie Icing, Candy Eyeballs, Halloween sprinkles, Mixing bowls, Electric stand mixer or hand mixer, Rolling pin

1 cup (222g) salted butter, room temperature, 1 cup (233g) granulated sugar, 2 tsp vanilla extract, 1 egg, 3 cups (456g) all-purpose flour, 2 tsp baking powder, 1 batch Sugar Cookie Frosting

2 1/2 cups (318 grams) all-purpose flour, 1/2 cup (50 grams) Dutch-process cocoa powder*, 1 teaspoon baking powder, 1/4 teaspoon fine sea salt, 1 1/2 sticks (170 grams) unsalted butter, (at cool room temperature), 1 cup (200 grams) granulated sugar, 2 large eggs, (at cool room temperature), 1 teaspoon pure vanilla extract, 4 ounces (113 grams) cream cheese, (at room temperature), 4 tablespoons (57 grams) unsalted butter, (at room temperature), 2 teaspoons vanilla extract, 1 1/2 cups (188 grams) powdered sugar, (sifted (don't skip sifting!)), A few drops of Orange gel food coloring

¾ cup butter (softened (170g)), ¾ cup sugar ((150g)), 1 tsp vanilla bean paste (I use Nielsen Massey), 1 egg, 2¼ cup flour (plus extra, for rolling out dough (280g)), ½ tsp baking powder, ½ tsp salt, 1 tbsp milk (or milk alternative), 2-3 cups icing sugar, 3-5 tbsp milk (or milk alternative), 1 bag Royal Icing Mix, 80-100 mL water

1 1/2 cups powdered sugar, 1/2 cup margarine or butter, softened, 1/2 teaspoon vanilla, 2 eggs, 4 cups Bisquick™ Original baking mix, 11 drops yellow food color, 7 drops red food color, 2 tablespoons baking cocoa, Betty Crocker black decorating gel

2 1/2 cups all-purpose flour (see Cook's Note), 1/4 teaspoon baking powder, 1/4 teaspoon fine salt, 1 1/2 sticks (12 tablespoons) unsalted butter, cut into small pieces, at room temperature, 3/4 cup granulated sugar, 1 large egg, slightly beaten, 1 teaspoon pure vanilla extract, 4 cups confectioners' sugar, 1/4 cup meringue powder, Gel food coloring, for tinting the icing

2 cups gluten free flour blend, 1 teaspoon baking powder (aluminum-free!), 1/2 cup cane sugar, 2/3 cup unsalted butter (softened a lot), 1 large egg, 1 1/2 teaspoons pure vanilla extract, 3 cups powdered sugar, 2 egg whites, 1/2 teaspoon cream of tartar, pinch salt, Food coloring

1 1/4 cups chilled salted butter (cut into 1/2" pieces), 1 1/4 cups granulated sugar, 1 large egg, 1 large egg yolk, 1 teaspoon vanilla extract, 3 cups all-purpose flour, 3/4 teaspoon salt, 1/2 teaspoon baking powder, 1 pound powdered sugar (about 4 cups), 1/4 cup meringue powder, 6-8 Tablespoons water (plus more as needed for thinning out the icing), 1 teaspoon vanilla, Gel food coloring

1 cup unsalted butter (room temperature), 3/4 cup granulated sugar, 1 large egg (room temperature), 1 teaspoon vanilla extract, 2 3/4 cups all-purpose flour, 1/4 cup cocoa powder, 1 teaspoon baking powder, 1/4 teaspoon salt, 3 cups powdered sugar, 1 teaspoon vanilla extract, 2-3 teaspoons milk, food coloring

1 cup (226g) unsalted butter, softened, 1 ¼ cups (250g) granulated sugar, 1 large egg, 1 teaspoon vanilla extract, ½ teaspoon salt, 1 teaspoon baking powder, ½ cup (20g) unsweetened cocoa powder (or Dutch Process for a deeper flavor), 2 ½ cups (310g) all-purpose flour, ½ cup (113g) unsalted butter, softened, 4 cups (452g) powdered sugar, ¼ teaspoon salt, 1 teaspoon vanilla extract, 3-4 tablespoons milk, Food coloring (if desired), Sprinkles (if desired)

1 cup butter (, at room temp), 1 3/4 cups granulated sugar, 2 eggs (, at room temp), 1 teaspoon vanilla extract, 1/4 teaspoon almond extract, 1 cup sour cream, 5 1/2 cups all-purpose flour, 1 1/2 teaspoons baking soda, 1 teaspoon baking powder, 1/2 teaspoon fine sea salt, 3/4 cup butter, 3 1/2 cups powdered sugar, 3-4 Tablespoons heavy cream, 1 teaspoon vanilla extract