2 1/4 cups all-purpose flour ((270g)), 1/2 teaspoon baking powder, ¼ tsp baking soda, 1 tbsp cornstarch, 1/2 tsp salt, 1/2 cup unsalted butter (room temperature (113g)), 1 cup granulated sugar ((200g)), 1 egg (room temperature), 1/4 cup sour cream room temperature ((60g)), 1 1/2 tsp vanilla extract ((7.5ml)), ¼ tsp almond extract (optional), ½ cup butter room temperature ((113g)), 2 cups powdered sugar ((240g)), 1 tsp pure vanilla extract ((5ml)), 2 tbsp Milk ((30mL) plus more if needed)

6 ounces powdered sugar, 4 ounces margarine (or butter), 4 ounces unsalted butter (softened), 1 large egg (room temperature), 13 ounces cake flour, 2 teaspoons cornstarch, 1 teaspoon baking soda, 1/2 teaspoon baking powder, 1 teaspoon cream of tartar, 1 teaspoon clear vanilla extract (or real extract is ok ), 1/4 teaspoon almond extract, 1/4 teaspoon salt, 8 ounces unsalted butter (softened), 16 ounces powdered sugar, 2 teaspoons vanilla extract

1 cup (222g) margarine** (softened), 1 1/4 cup ( 137g) powdered sugar, 1 egg, 1 tsp vanilla extract, 1/2 tsp butter extract, 2 1/2 cups (295g) cake flour, 1 tsp baking powder, 1/2 tsp salt, 1/4 cup (55g) margarine, 1 1/2 cups (165g) powdered sugar, approx 1/4 cup (60ml) heavy whipping cream, 1 tsp vanilla extract, 1/8 tsp butter extract

10 ounces powdered sugar (2 1/2 cups; 285g), 1/4 teaspoon Diamond Crystal kosher salt; for table salt, use the same weight or half as much by volume, 2 1/2 ounces heavy cream (shy 1/3 cup; 70g), 1 teaspoon (5ml) vanilla extract, 8 ounces unsalted butter (2 sticks; 225g), pliable but cool, about 60°F (16°C), 7 ounces sugar (1 cup; 200g), 2 teaspoons baking powder, 1 1/4 teaspoons (5g) Diamond Crystal kosher salt; for table salt, use the same weight or half as much by volume, 2 ounces egg white (1/4 cup; 55g), from about 2 large eggs, 1 ounce heavy cream (2 tablespoons; 30g), 2 teaspoons (10ml) vanilla extract, 11 ounces bleached cake flour (2 3/4 cups; 310g), such as Swans Down (see note), Assorted food coloring, nonpareils, and sprinkles, for decorating (optional)

1 cup butter (softened), 1 1/2 cups powdered sugar, 2 large eggs, 1/3 cup vegetable oil, 2 teaspoons vanilla extract, 1 teaspoon almond extract, 1 teaspoon baking powder, 1 teaspoon cream of tartar, 1/2 teaspoon salt, 1 Tablespoon cornstarch, 3 3/4 cup all-purpose flour, 3/4 cup (1 1/2 sticks butter), 4 1/2 cups powdered sugar, 1 teaspoon vanilla, 4-6 Tbsp. milk

2 ¾ cups (350 grams) all-purpose flour, 1/4 cup (33 grams) cornstarch, 3/4 teaspoon baking soda, 1/2 teaspoon baking powder, 1/2 teaspoon fine sea salt, 1 stick (113 grams) unsalted butter, (at cool room temperature), 1 cup (200 grams) granulated sugar, 1 large egg, (at room temperature), 1/3 cup (75 grams) sour cream, (at room temperature), 1 tablespoon vanilla extract, 1/4 teaspoon almond extract, (optional but highly recommended), 2 cups + 2 tablespoons (266 grams) powdered sugar, (sifted), 1 stick (113 grams) unsalted butter, (at a cool room temperature), 1/4 teaspoon fine sea salt, 2 teaspoons pure vanilla extract

1 cup butter (softened, 2 sticks), 1 cup sour cream, 1 ¾ cup granulated sugar, 2 eggs, 2 teaspoons vanilla extract, ½ teaspoon almond extract, 6 cups all purpose flour, 1 ½ teaspoons baking powder, 1 teaspoon baking soda, ½ teaspoon salt (omit if using salted butter), 1 cup butter (softened, 2 sticks), 1 teaspoon vanilla (coconut, almond, or peppermint extract), 4 cups powdered sugar, 5 tablespoons milk, Food coloring and sprinkles (optional)

3 3/4 cups (510g) all-purpose flour, 1 1/2 teaspoons baking powder, 1/2 teaspoon baking soda, 1/2 teaspoon kosher salt, 1 cup (227g) unsalted butter, softened, 1 1/2 cups (300g) granulated sugar, 2 large eggs, 2 teaspoons vanilla extract, 1 cup (227g) sour cream, 1 cup (227g) unsalted butter, softened, 4 cups (455g) powdered sugar, 1 tablespoon vanilla extract, 1/2 teaspoon kosher salt, 1 to 2 tablespoons milk, Food coloring, for coloring the frosting

1 cup salted butter (, at room temperature), 1 1/4 cups powdered sugar, 1 large egg (, at room temperature), 1 teaspoon vanilla extract, 2 1/2 cups cake flour, 1 teaspoon baking powder, 1/2 teaspoon fine sea salt, 1/3 cup salted butter, 2 1/2 cups powdered sugar, 1/2 teaspoon vanilla extract, 2 1/2-3 Tablespoons half-and-half, Food coloring (, optional), Sprinkles (, optional)

1 cup unsalted butter (softened), ¾ cup granulated sugar, 1 large egg + 1 large egg white, ½ teaspoon vanilla extract, 3 ¼ cups cake flour, 1 Tablespoon cornstarch, 1 teaspoon baking powder, ¾ teaspoon table salt, ¾ cup unsalted butter (softened ), 2 ¼ cups powdered sugar, 1 Tablespoon light corn syrup, 1 teaspoon vanilla extract, ⅛ teaspoon table salt, Food coloring (optional, I used Americolor "soft pink" and "electric pink" for the cookies in today's post), Sprinkles (optional)

3 1/2 cups all-purpose flour, 2 tablespoon cornstarch, 1 teaspoon baking powder, 1/2 teaspoon kosher salt, 1/4 teaspoon baking soda, 1 cup (8 oz.) unsalted butter, at room temperature, 1 1/2 cups granulated sugar, 2 large eggs, at room temperature, 1 cup sour cream, at room temperature, 1 tablespoon vanilla extract, 1 cup unsalted butter, at room temperature, 1 (1 pound) box powdered sugar (4 cups), 2 teaspoon vanilla extract, 1/4 teaspoon kosher salt, 1 drops pink gel food coloring

1 cup sugar, 1/2 cup butter (softened to room temperature), 2 eggs, 1/2 cup sour cream, 2 tsp vanilla extract, 3 cups all-purpose flour, 1 1/2 tsp baking powder, 1/2 tsp baking soda, 1/2 tsp salt, 2 cups powdered sugar, 1 tsp vanilla extract, 1 tbsp milk, 1/2 cup butter (softened to room temperature)

½ cup (113g) unsalted butter (softened), ¾ cup (150g) granulated sugar, ¾ cup (184g) sour cream (room temperature), 1 large egg, ½ teaspoon baking soda, ½ teaspoon baking powder, ½ teaspoon salt, 1 teaspoon vanilla extract, 2 ½ cups (310g) all purpose flour, ½ cup unsalted butter (softened), 3 cups powdered sugar, 1 teaspoon vanilla extract, ¼ teaspoon salt, 1-2 tablespoons milk, Food coloring (if desired)

8 tablespoons (1 stick) unsalted butter, 4 ounces cream cheese, 1 large egg, 2 1/4 cups all-purpose flour, plus more for rolling, 3 tablespoons cornstarch, 1 teaspoon baking powder, 3/4 teaspoon kosher salt, 1 cup granulated sugar, 2 teaspoons vanilla extract, 1/4 teaspoon almond extract (or an additional 1/4 teaspoon vanilla extract), 8 tablespoons (1 stick) unsalted butter, 1/8 teaspooon kosher salt, 2 cups powdered sugar, 1 tablespoon milk, 1 teaspoon vanilla extract

1 cup unsalted butter, softened, 2 cups granulated sugar, 3 large eggs, room temperature, 1 teaspoon vanilla extract, 1 teaspoon almond extract, 1 1/2 cups sour cream, room temperature, 6 cups all-purpose flour, 1 teaspoon baking powder, 1 teaspoon baking soda, 1 teaspoon salt, 1 cup unsalted butter, softened, 1 teaspoon vanilla extract, 16 ounces powdered sugar (about 4 cups), 1/8 teaspoon salt, 6 tablespoons heavy whipping cream

1 cup butter (at cool room temperature), 1 cup granulated sugar, 2 large eggs (room temperature), 2 large egg yolks (room temperature), 2 teaspoons vanilla extract, ½ teaspoon almond extract, 3 ½ cups all-purpose flour (properly measured), 1 ½ teaspoons baking powder, 1/4 teaspoon salt, 1 cup butter (at cool room temperature), 3 ½ cups sifted powdered sugar, 1/4 teaspoon kosher salt, 1/2 cup heavy cream, 1 teaspoon vanilla extract

1/3 cup unsalted butter, room temperature, 3 Tablespoons vegetable oil, 3/4 cup granulated sugar, 3/4 cup powdered sugar, 1 egg, room temperature, 2 teaspoons vanilla extract, 1/8 teaspoon almond extract, 1 Tablespoon milk, 2 cups cake flour, 1/2 teaspoon baking powder, 1/4 teaspoon baking soda, 1/2 teaspoon salt, 1/2 cup unsalted butter, room temperature, 3 cups powdered sugar, 2 Tablespoons milk

1/2 cup butter (room temperature), 1 cup granulated sugar, 1 large egg (room temperature), 1/4 cup sour cream (room temperature), 1 1/2 teaspoons vanilla extract, 2 1/4 cups all-purpose flour, 1 tablespoon cornstarch, 1/2 teaspoon baking powder, 1/4 teaspoon baking soda, 1/2 teaspoon kosher salt, 4 tablespoons butter (room temperature), 4 tablespoons shortening, 2 cups powdered sugar, 1 teaspoon vanilla extract, 2 tablespoons milk