Happy Birthday Cake

Ingredients

• cup swhite sugar
• cup unsalted butter, room temperature
• teaspoon vanilla extra ct
• eggs, separated and divided, at room temperature
• cup sall-purpose flour
• teaspoon sbaking powder
• pinch essalt, divided
• cup milk, room temperature

Instructions

1. Preheat the oven to 350 degrees F (175 degrees C). Grease and flour three 8 or 9 inch diameter cake pans.
2. Cream sugar and butter in a mixing bowl with an electric mixer until smooth and fluffy, about 5 minutes. Add egg yolks, one at a time, beating well after each addition. Mix in vanilla.
3. Sift flour, baking powder, and a pinch salt together into a bowl. Add flour mixture to butter mixture in three batches, alternating with milk, beating batter briefly after each addition. Scrape down the sides and bottom of the bowl and beat for 1 more minute.
4. Beat egg whites with a pinch salt in a separate bowl until stiff peaks form. Fold 1/3 of the egg whites into cake batter to lighten it; then gently fold in remaining egg whites. Pour batter into the prepared pans.
5. Bake in the preheated oven until the cakes springs back when lightly touched with a fingertip and a tester inserted into the centers comes out clean, about 25 minutes. Remove from the oven and cool on a wire rack.