Coffee Marble Pound Cake

1 1/4 cups sugar
2/3 cup half butter, half margarine
3 eggs
2/3 cup cold water
2 cups flour, sifted
1 teaspoon vanilla
1 teaspoon baking powder
1/2 teaspoon salt
4 teaspoons instant coffee
3 squares semisweet chocolate, grated


Cream together sugar and butter. Add eggs 1 at a time and blend. Combine water and vanilla. In another bowl combine salt, flour and baking powder. Melt coffee in a teaspoon or 2 of hot water and add to cold water mixture. Add dry ingredients alternately with water mixture blending well after each addition. Butter the bottom of a tube pan and pour in half the batter then half the chocolate. Top with the rest of batter and rest of chocolate. Marble with spoon. Bake at 350 degrees for 1 hour until done. Cool in pan 1/2 hour, then remove. Dust with confectioner's sugar.