These are the Directions:

1. PREHEAT oven to 350F (180C). Grease and flour one 8" (20 cm) round cake pan.



2. SIFT first six dry ingredients into large bowl. Add egg, milk and oil. Beat 2 minutes on medium speed of electric mixer. Stir in boiling water until smooth. Pour into prepared pan.



3. BAKE in centre of 350F (180C) oven for 35-40 minutes, or until toothpick inserted in centre comes out clean. Cool 10 minutes in pan on rack then remove and cool completely. Cut into bite-size pieces. Set aside. Prepare mousse according to package directions. Beat cream, Whip it and Vanilla Sugar to stiff peaks.



4. ASSEMBLY: Put half of cake cubes in trifle bowl or large glass serving bowl. Drizzle half the liqueur on top. Spread half the mousse, then half the cream on top. Sprinkle half the chocolate bars over cream. Repeat layers with remaining ingredients. Cover bowl with plastic wrap and chill 4 hours or overnight.



TIP:

5. For an extra chocolatey flavour, try Dr. Oetker Double Chocolate Mousse. Prepare the cake in advance and freeze.