Pour the boiling water over the raisins and stir well.
Add the cinnamon, coffee and vanilla, stir and allow to cool.
Preheat oven to 375°F or 190°C.
Sift together the flour, baking soda, baking powder and salt and set aside.
Cream the butter and the sugar together until smooth, then gradually beat in the eggs.
Add the dry ingredients, mixing well.
Finally add the raisin spice mixture and its liquid. Mix to combine.
Spoon into lined muffin tins and bake in the middle of the oven for about 25 minutes, until a toothpick inserted in the muffin comes out clean and the top is firm.
Makes 12 large muffins.