Heat the oven to 350 degrees.
Grease and line 2 8-inch cake pans.
Whip egg whites in a separate bowl until stiff peak form. Set aside.
Cream together sugar and butter until well-combined.
Add sour cream, milk, and extract to the butter/sugar mixture and combine well.
Now add the flour, salt, and baking powder into the batter and mix until combined.
Carefully, fold the whipped egg whites into cake batter until combined.
Divide batter equally between 2 prepared cake pans.
Bake for 30 minutes or until set in middle and lightly browned.
Let cakes cool for 10 minutes and remove from pans and continue cooling cakes on rack.
Frost with favorite frosting and decorate with clean, edible flowers!