SOURCES :

https://www.pinterest.ch/pin/779333910494359746/

https://www.pinterest.ch/pin/creative-yummy-donuts--679902874974425494/

https://www.angesdesucre.com/blogs/anges-de-sucre/a-deeper-shade-of-blue-mermaid-cake

https://www.swissmilk.ch/fr/recettes-idees/recettes/SM2020_DIVE_56/donuts/

https://la-boite-a-pain.com/donuts-recette/