I can’t image my kitchen without this anymore as I put it in or on just about everything: hot toast and poached eggs, omelettes, fillet of beef, mash to name a few.
Using a pestle and mortar or preferably a coffee grinder, finely grind the dry porcini mushrooms to a fine powder. To make the porcini butter, cream the butter with a wooden spoon or an electric mixture until light and fluffy, stir in the ground mushrooms and garlic and season to taste. Spoon the softened butter onto a sheet of wax paper and roll into a cylinder shape.
Twist the ends to seal and place in the fridge to set