-The invention relates to a cooking device (100), which comprises a cooking bracket (110) with a cooking surface (111) and a heating surface (112), And a multilayer diffuser bottom (120) comprising an aluminum layer (121) metallurgically assembled with a heating surface (112) to keep a portion of the heating surface (112) free around the aluminum layer (121).-According to the invention, the multilayer diffuser bottom (120) includes an anisotropic graphite layer (124) encapsulated between an aluminum layer (121) and another aluminum layer (115).-The invention also relates to a method for obtaining such a cooking device.-Abstract figure: Figure 1
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