Preheat oven to 325. Butter 8" cake pan with 2" high sides. Line pan bottom with waxed paper. Butter paper. Dust pan with flour and tap out excess. Melt chocolate & butter in microwave. Mix cocoa, eggs & sugar and whisk in chocolate mixture. Add liqueur. Pour batter into pan & bake 35 minutes or until tester comes out clean. Cool cake in pan 1 hour. Turn out cake onto plate; peel off paper. Refrigerate for 2 hours. Meanhile, bring cream to boil, add chocolate and stir until melted. Pour over cake and spread with spatula to coat sides. This is truly magnificent! Lynn Herrick in Chicago ----