Soak toast in water. Meanwhile peel garlic. Wash, halve and seed the grapes. Squeeze the toast well. Put toast, almonds, garlic and oil in a mixer and work into a smooth paste.
Season with salt, pepper and vinegar. Gradually add 1 1/2 litres of cold water. Again mix thoroughly. Then put it in a cool place. Serve with the grapes
Per portion (with 8 people) approx. 1130 kJ/ 270 kcal