Blueberries Or possibly Boysenberries Cooking Spray
3/4 tsp Powdered Sugar
Instructions
Preheat oven to 350.
Lightly sppon flour into a dry measuring c.; level with a knife.
Combine flour, 2/3 c. granulated sugar, salt, and nutmeg into a large bowl; add in buttermilk, lemon rind, juice, margarine, and egg yolks, stirring with a whisk till smooth.
Beat egg whites at high speed of a mixer till foamy.
Add in 1/4 c. granulated sugar, 1 tbsp.
at a time, beating till stiff peaks form.
Gently stir one-fourth of egg white mix into buttermilk mix; gently mix in remaining egg white mix .
Mix in boysenberries.
Pour batter into an 8-inch square baking pan coated with cooking spray.
Place in a larger baking pan; add in warm water in larger pan to depth of 1 inch.
Bake at 350 for 35 min or possibly till cake springs back when touched lightly in center.