Put the butter and sugar in a bowl and beat until smooth. Gradually add the eggs beating between each addition.
Sieve the flour and fold into the mixture with the coconut or ground almonds, orange zest and chopped fruit.
Preheat the oven to 180°C / 350°F / Gas Mark 4. Put the sweetie paper cups into a 'cocktail' tin. Fill them two-thirds full with the cake mixture. Place a few chopped fruits on the top. Dust with icing sugar and cook for 10-15 minutes.
Put onto a wire rack to cool.