Coarsely chop the turkey and set it aside. Peel and grate the apple. Clean and coarsely chop the lettuce leaves. Thinly chop the scallion.
Add the curry powder and the grated apple. Stir and let cook for a minute.
Add the yogurt, stir for a couple of minutes, salt to taste and remove from the heat.
Spread two slices of bread with the cream you made.
Repeat until you finish the bread.