Blend egg yolks and sugar. Add matzoh meal, baking powder, vanilla, and almonds. Beat egg whites till they hold a stiff peak. Fold whites into the nut- matzoh mixture, pour into a buttered 8 inch springform pan. Bake in a pre-heated 350F oven for 40-50 minutes. Turn upside down on a plate to cool. Serve plain or with strawberries and whipped cream.