closeup watercolor of fresh black truffles on white background, a rare and expensive delicacy

diet illustration watercolor truffles black fresh texture closeup food gourmet ingredient mushroom delicacy rare expensive isolated background white organic wild harvest culinary specialty earthy fragrance premium seasonal delicious edible fungi natural trendy gourmetfood textured nature exclusive rich nutrition rarefood fungus seasoning expensivefood rareingredient intricate raw wildharvest luxuryfood exquisite