In a bowl whisk together the flour, baking 6, baking soda, salt and 1/2 cup of the sugar

In another bowl combine the butter, buttermilk, lemon juice and zest, vanilla and egg yolks, whisk to blend

In a third bowl beat egg whites until they form firm peaks, adding the last 1/4 cup sugar slowly

Gradually beat the buttermilk mixture into the flour nixture

Gently fold the egg whites in until uniform in color

Divide evenly in prepated pans and place on a cookie sheet, bake about 18 to 20 minutes untik a toothpick comes put just clean. Cool 1p minutes then remove from pans and cool completely before frosting

Beat cream cheese, butter, vanilla, lemon juice an zest and confectioner's sugar until blendec

Beat cream to firm peaks and fold into cream cheese mixture

Place one layer bottom up on serving playe

Add some frosting

Place second layer, bottom up

Frost

Place third layer

Frost entire cske

Garnish with sprinkles and fresh blueberries. Refigerate at least 2 hours for easy slicing