automobile background bonnet burn burned car damage damaged distress distressed fire flake grunge heat hood iron oxidation oxide paint roast rust scorch scorched steel surface texture appearance beneficial brown bulk crunchy edible food health healthy ingredient kernel kernels medicinal nutritional nutritious nutty pepitas popular pumpkin pumpkin-seeds quantity roasted savory savoury seeds spiced spicy textures uncooked unhulled unhulled-whole-seeds vegetables Castanea castanea sativa chestnut chestnuts colors colours edible seeds European chestnut flavour hard marron nuts shell smooth sweet chestnuts tasty tufted tufts