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Sliced sourdough loaf showing a dense, gummy crumb next to an open airy crumb

Why Is My Sourdough Bread Gummy? Causes and Easy Fixes

A gummy sourdough crumb almost always comes down to fermentation, starter strength, or bake time. Here’s how to diagnose and fix yours.

July 5, 2026 · 12 min · Charith Perera