Blend carrots with the water until smooth
Strain through a fine sieve or cloth, pressing well to get about 700–750 ml carrot juice
Add Guinness, coconut milk, condensed milk, vanilla extract, nutmeg, cinnamon, ginger, and salt to the strained juice
Whisk or blend gently until fully combined
Refrigerate for a few hours so the flavours can come together
Stir before serving to combine any settled sediment
Serve cold
