Within the depth-psychology corpus, bread operates on multiple registers simultaneously: as a symbol of psychic nourishment, as a site of alchemical and theological transformation, and as a cultural artifact whose degradation signals spiritual impoverishment. Jung reads grain and wine as possessing a ‘fourfold layer of meaning’ — agricultural, processual, cultural, and numinous — making bread a paradigmatic symbol in which nature, labour, and spirit converge. Sardello pursues a soulology of bread, arguing that modern industrial processing has severed the loaf from its underworld roots in fermented earth and the Eleusinian mysteries, replacing depth with a ‘fantasy of quick energy, purity.’ Hillman, in characteristically polemical register, indicts civilisation’s ‘tasteless wafer’ as evidence of collective neurosis and desacralisation. Edinger situates bread within alchemical symbolism, connecting the loaf-as-stone motif to the Philosopher’s Stone and the tension between earthly substance and spiritual aspiration. The Eucharistic dimension is extensively treated by Jung, John of Damascus, and the Philokalia, where bread’s transubstantiation stands as the paradigmatic rite of psychological and ontological transformation. The white/black bread polarity in Jung’s dream seminars crystallises the soul/body, spirit/matter tension that runs throughout this literature. Barrett’s invocation of bread-baking as an analogy for emergent psychological properties adds a rare constructionist perspective. Taken together, the corpus treats bread as one of the most densely layered symbols available to depth-psychological inquiry.