Champagne Cake

1 . Stage

Preheat the oven to 350 degrees F (175 degrees C). Grease a 10-inch round cake pan.

2 . Stage

Sift flour, baking powder, and salt together in a medium bowl.

3 . Stage

Beat sugar and butter with an electric mixer in a large bowl until very light and fluffy. Mix in flour mixture alternately with Champagne.

4 . Stage

Beat egg whites in a glass, metal, or ceramic bowl until stiff peaks form.

5 . Stage

Fold 1/3 of the egg whites into cake batter to lighten it, then fold in remaining egg whites. Pour batter into prepared pan.

6 . Stage

Bake in the preheated oven until a toothpick inserted into the center comes out clean, 25 to 30 minutes.