Cake Layer: Prepare cake mix according to package directions, adding the
rum and butter extract. Turn into a buttered deep oval casserole dish.
Pudding Layer: Mix cocoa and sugars together. Sprinkle over batter.
Add extracts to boiling water and pour gently over all. Bake for recommended
time on cake mix box then test for doneness by pressing with your finger (the
cake layer will have baked to the top. If it dimples, the cake is not done.
Serve warm, in sundae glasses, with a dollop of sweetened whipped cream
on top, and garnished with a cherry.