on her phone. Three weeks into her new lifestyle, she had conquered the sugar cravings, but the "bread-shaped hole" in her heart remained. She didn’t want a lettuce wrap; she wanted a crunch.

Sarah raced across town. If those failed, she knew she could order via Instacart or DoorDash for delivery. But she needed that sandwich now .

sat at her kitchen table, staring longingly at a picture of a grilled cheese sandwich

Her first stop was , where she’d heard the distinctive round loaves often hid near the specialty bakery section. She scanned the shelves, past the sourdough and the rye, her eyes darting like a detective's. Nothing.