Christmas baking #6 - Chocolate praline variations - Coconut, walnut, chestnut

Dazzle your guests this Christmas with your own homemade pralines.
What you need:
500g of biscuit pudding powder
200g of butter
100g of chocolate
50g of cocoa powder
50g of powdered sugar
100g of coconut
150g of condensed milk
100g of chestnut mass
100g of cocoa condensed milk
100g of ground walnuts
50ml of milk
50g of powdered sugar
rum
orange juice