The Ultimate 'That Sourdough Gal' Starter Guide: Step-by-Step for Beginners
By Robert Thorne
The eternal debate of bread flour vs all-purpose flour shapes the entire structure of the loaf. All-purpose flour generally contains 10%, 11.5% protein, yielding a softer, more delicate crumb suited for sandwich loaves or pastries. Bread flour features a protein content between 12.5% and 14%, supplying the glutenin and gliadin necessary to build an elastic gluten matrix capable of trapping expanding fermentation gases.
Dough hydration ratio, the weight of total water divided by total flour, expressed as a percentage, dictates handling, oven spring, and crumb density. Viral creators frequently showcase wet, shiny doughs mixed at 80% or 85% hydration, but attempting high hydration without professional-grade gluten development leads to flat, sticky discs that weld themselves to baking surfaces. Starting at a manageable 68% to 72% hydration allows beginners to practice coil folds and shaping mechanics without losing dough tension.
| Hydration Level | Recommended Flour Type | Crumb Characteristics | Handling Difficulty |
|---|---|---|---|
| 65%, 68% | Unbleached All-Purpose or Standard Bread Flour | Uniform, tight crumb; ideal for everyday sandwiches | Beginner-friendly; holds shape effortlessly |
| 70%, 74% | High-Protein Bread Flour (12.7%, 13.5%) | Moderate aerated pockets; balanced chew and soft texture | Intermediate; requires structured stretch-and-folds |
| 75%, 82% | Specialty High-Extraction or Hard Red Spring Wheat | Wild, open, custardy crumb with translucent cell walls | Advanced; requires delicate handling and quick tensioning |
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