We don’t recommend you use smaller cases; the cakes won’t be big enough to hold the filling and they tend to dry out really quickly. The 52 x 40mm muffin cases we use can be found in the supermarket.
Using a scissor-action ice cream scoop to ice each cupcake is a great trick if you’re new to icing. Try to use one roughly the same diameter as the cupcake.
If you’re not confident with piping, practise on a plate till you’ve nailed it! You can just scoop the buttercream back into a bowl.
If your piped dome is a little off centre, pick up the cupcake and gently shake it into place.
Don’t throw away the bits of cupcakes you core out. These can be frozen until you have enough to make the Cake Truffles.
Cupcakes are really only good the day they are made.