Cream the butter with 1 cup of the sugar until fluffy. Beat in the egg yolks.Sift together the dry ingredients. Add them alternately with the sour cream.Fold in the orange zest and nuts
To make the glaze: boil together the remaining 1/4 cup sugar with the juice and liqueur until sugar is melted.Bake the cake in a bundt pan in a 350 º F. oven for 50 minutes to 1 hour.Cool before removing from pan. Top with glaze and garnish with the almonds.