Step 1

Preheat the oven to 170C. Grease mini muffin tins.

Step 2

Put the sugar, eggs, oil, banana, vanilla and cinnamon in a mixer with a paddle attachment (or you can use a hand mixer) and beat until all the ingredients are well incorporated. Don't worry if the mixture looks slightly split.

Step 3

Slowly add the flour, baking soda and salt and continue to beat until everything is well mixed.

Step 4

By hand, carefully stir in the crushed pineapple and chopped hazelnuts and walnuts (or use one kind of nut) until evenly mixed.

Step 5

Using a teaspoon, fill each greased (silicon tins are great for these) mini muffin hole till three quarters full and bake for 20 minutes.

Step 6

Cool in the tin for 5 minutes, then gently tip out on to a wire cooling rack.

Step 7

When cool, fill a piping bag (fit with a #20 round tip, or cut a 1cm hole at the tip of your bag) with frosting and pipe a round blob onto each mini cake and top with a whole hazelnut, half a walnut or a piece of Sweet As freeze-dried pineapple.

Step 8

Beat the icing sugar and butter together on medium speed until the mixture comes together and starts to clump.

Step 9

Add the cream cheese and beat until it is completely incorporated. Turn the mixer speed up and continue beating until the frosting is light and fluffy. Take care not to overbeat, as it can quickly become runny.