Cut the butter into pieces and allow to soften at room temperature. Separated 1 teaspoon of cocoa. Beat the butter, sugar and chopped almonds. Add cocoa, remaining after it separated from spoon. Peel bananas, pineapples are cleaned, cut into pieces and Strain. Mix fruit with cream, add and coffee. Mix the cream and add to the above cream with vanilla. Mix well and divided into four bowls. Allow to freeze 3 hours in a freezer. Before serving cream, mixed with cinnamon separated spoon cocoa. Sprinkle the cream and served with biscotti.