Soak cranberries in whiskey for an hour.
Preheat oven to 170℃.
Mix flour (sieved) with baking powder and bicarbonate of soda and set aside.
Spray 2 mini muffin pans with a baking spray.
In a mixing bowl, with a hand whisk, whisk together sugar, melted butter and oil.
Then whisk in the egg and vanilla extract until well combined.
Pour in the buttermilk, stir and gradually whisk in the flour mixture until we combined.
Add the soaked cranberries along with the whisky and the chopped pistachios, mix with the batter using a spatula until well combined.
Let the muffin batter rest for 15 minutes.
Divide the batter equally amongst the cavities in the muffin pans.Transfer to the oven to bake for 12 to 15 minutes, or until the tops are lightly golden brown and nicely domed
Let the muffins cool in the pan for 10 minutes and then carefully remove and transfer onto a cooling rack. Store in an air-tight container.Serve with a hot cup of coffee and enjoy