Vanilla Birthday Cake (Print Version)

# Ingredients:

01 - 3 cups (425g/15oz) cake flour, sifted.
02 - 2 cups (453g/16oz) granulated sugar.
03 - 4 teaspoons baking powder.
04 - ½ teaspoon salt.
05 - 5 large egg whites, at room temperature.
06 - 1 whole egg, at room temperature.
07 - 1 cup (8floz/227ml) whole milk or full fat buttermilk.
08 - 2 1/4 teaspoons pure vanilla extract.
09 - ¾ cup (170g, 6oz) unsalted butter, cold.
10 - Vanilla Buttercream Frosting.

# Instructions:

01 - Heat oven to 350°F/180°C. Butter and line three 6-inch cake pans with parchment paper.
02 - In a large jug combine and whisk together egg whites, whole egg, milk, and vanilla extract. Set aside.
03 - In electric mixer bowl with paddle attachment, combine dry ingredients at low speed for 1 minute. Add cold butter and mix until mixture is a fine crumbly texture.
04 - Add liquid mixture to dry ingredients in 2 batches, scraping sides and bottom before and after each batch. Mix until light and fluffy.
05 - Divide batter evenly into prepared pans. Bake 25-35 minutes until tester comes out with few crumbs.
06 - Let cakes cool on racks for 20 minutes before removing from tins.
07 - Level cake layers. Layer cake with buttercream between each layer. Apply crumb coat, chill 30 minutes, then final coat. Decorate with sprinkles.

# Notes:

01 - Use cup measurements by scooping for 5oz flour portions.
02 - Can be stored at room temperature for 2 days, refrigerated for 5 days, or frozen for 2 months.
03 - Let cake come to room temperature 30 minutes before serving.