175g (6 oz.) Butter
175g (6 oz.) Good White Chocolate
3 Eggs
1 teaspoon Vanilla
225g (8 oz..) Caster Sugar
110g (4 oz.) Plain Flour
110g (4 oz.) Chopped Pistachios(or you could use unchopped pine nuts)

Pre heat the oven to 175C, 350F,Gas 4
Line a deep swiss roll tin with tin foil.and paint with melted butter.
Melt the butter and chocolate together in a large bowl in the microwave at medium or over a pan of simmering water.

Beat the eggs,vanilla and sugar together until well blended and stir into the chocolate.Sprinkle in the flour, the nuts and the salt and then stir well together.

Pour this out into the baking tin.
Bake for 30 mts at the set temperature.

They should look baked and be dry to the touch but still moist in the middle. Better take them out sooner than later when they may dry out.
They will continue to cook as they cool.