Tarte de frutos secos Algarvia (Algarve Mixed-Nut Cake)

A traditional Algarve cake made with mixed nuts

Ingredients:
10 eggs
350g sugar
250g frutos secos (ground nuts) e.g. almonds, walnuts, hazelnuts
1 table spoon flour
1 tea spoon cinnamon
Grated lemon rind of 1 lemon
1 Greaseproof paper Butter to grease the tin

Put the eggs, sugar, grounds nuts, flour, lemon rind and cinnamon in a large bowl and mix thoroughly.

Put butter around the baking tray and place the greaseproof paper inside the tray on the butter. Place in oven for 35 minutes or more (check regularly). When cooked serve on a plate and sprinkle with icing sugar.

In the Algarve "Frutos secos" refers to nuts rather than dried fruits.