The Farmers' Market in the Fellowship Hall

For three consecutive Januarys, New Hope Community Church organized a twenty-one-day corporate fast. Members posted devotionals on Instagram, gathered for nightly prayer meetings, and journaled about spiritual breakthroughs. But the nearest grocery store to their church on Martin Luther King Boulevard had closed eighteen months earlier. The corner bodegas sold cigarettes and lottery tickets, not fresh produce. Grandmothers in the congregation's own neighborhood rode two buses to buy collard greens.…