Buttercream does not go with fruitcake.
Sugarpaste is attached to fruitcake with boiled jam.
3 tiers is a lot of fruitcake which is served in 1" x 1" fingers. An 8" plus 10" square will provide 164 portions.
This cake serves 64 people
Super Simple Fruit Cake
1 kg mixed fruit
2 c liquid *
3-7 oz g dairy-free chocolate, melted **
10 oz self raising flour***
Select any dried fruits - limit the amount of glacee or candied fruits - golden and dark raisins, currants, dates, prunes, apricots, cranberries etc chopped small.
Soak the fruits in the liquid - covered - 2-12 hours.
Add the flour bit by bit - do not dump all at once.
Lined 8" square pan.
Cover cake & bake 325°F 2 hrs, remove cover in the last 15 mins
* strong coffee, flavoured tea, any juice, either plain or flavoured rice, soy, nut or coconut milk, or just water. You can replace 1/4 - 1/3 cup with any alcohol
** replace the chocolate with 2 1/2 tablespoons cocoa powder
*** Approximately 2 1/3 cups all purpose flour with 3 teaspoons baking powder plus 1/2 teaspoon salt. or substitute 1/4 cup flour with almond or hazelnut meal.
1 ts powdered ginger, 1 ts cinnamon plus 1 ts pumpkin pie or apple pie spices