16 oz. semi-sweet chocolate
1 1/2 tsp. all-purpose flour
1 tsp. hot water
4 egg yolks
1 1/2 tbsp. unsalted butter
1 1/2 tsp. granulated sugar
4 egg whites

1. Melt chocolate and butter in a double boiler together.

2. Add flour, sugar and water blending well.

3. Add yolks, one at a time, beating well between each one. Remove from double boiler. Beat egg whites until stiff, but not dry and gently fold into chocolate mixture.

4. Turn into a greased 8 inch springform pan. Bake 15 minutes exactly at 425 degrees. Cool completely, center will sink and crack. Decorate with whipped cream or powdered sugar.