Step by step recipe:

1. 3 min.
   Sieve 150 g icing sugar, 80 g ground almonds, and 30 g flour, then mix.
   
   Preheat oven to 210°C or 410°F.
2. 1 min.
   Put 150 g butter in a pan over low heat.
3. 3 min.
   Melt butter, skim off and discard any white foam which forms on the surface.
4. 5 min.
   The butter will boil and make plenty of noise.
5. 5 min.
   After a while, the butter will stop boiling and give off a light hazelnut perfume.
   
   Remove from heat, and allow your "beurre noisette" ("hazelnut butter") to cool.
6. 5 min.
   Mix 110 g egg white with flour, almonds and icing sugar mixture.
7. 2 min.
   While still warm add butter to mixture, through a fine strainer to strain out any residue.
8. 2 min.
   Mix well.
9. 5 min.
   Pour mixture in moulds without filling them completely, because financiers rise during cooking.
10. 15 min.
    Put in the oven for about 15 minutes, remove as soon as they are golden brown.
11. 
    You can also make fruits financiers by using small fruits like blackcurrant for example.
    
    Put 2 or 3 by mould.
12. 
    And cook normally.
    
    You can use so any small fruits like raspberries, blueberry, strawberries, etc.You can also taste the pistachio financiers.