Have you thought of an Angel Food Cake? Check that one out and see if it works. Then you could serve strawberries and sugar-free whipped cream. (Or something like that!)
http://www.cooks.com/rec/view/0,1714,156189-247203,00.html
or one with an actual recipe:
Angel Food Cake
1 cup cake flour
1 teaspoon cream of tartar
1/4 cup sugar twin
1 cup egg whites (8 to 10 eggs)
1/2 teaspoon vanilla extract
Sift 1/8 cup Sugar Twin and flour together four times. Beat egg whites and cream of tartar until foamy. Add remaining sugar a little at a time, beating in well. Add flavorings and beat until very stiff. Fold flour into egg white and sugar mixture, sifting small amounts at a time. Pour into 10-inch ungreased tube pan. Cut through with a spatula to remove air bubbles. Bake at 275 degrees for 30 minutes, then raise the heat to 300 degrees and bake until done. Invert pan over bottle neck for one hour before removing form pan. Makes 12 servings.
Nutritional Information (1 serving):
Calories: 44
Carbohydrate: 7 grams
Protein: 3 grams
Fat: trace
Saturated Fat: trace
Cholesterol: 0 mg
Fiber: trace
Sodium: 44 mg
Potassium: 91 mg
Calcium: 7 mg
Exchanges: 1/2 starch
(I have not made any of these, I want to make sure to say. I buy mine from the store pre-made, but have no diabetics to worry about.)
Dawn