Bread Baking

Bread baking is the transformation of flour, water, yeast, and salt into a structured, leavened, browned food — and it involves nearly every major concept in food science. Gluten provides structure, fermentation provides lift and flavor, starch-gelatinization sets the crumb, and the maillard-reaction creates the crust.

Stage 1: Mixing and gluten development

When flour meets water, two proteins — glutenin and gliadin — hydrate and begin bonding into gluten. Mixing and kneading unfold these proteins, orient them side by side, and encourage them to cross-link into a cohesive, elastic network. See gluten-science for the full mechanics of glutenin elasticity, gliadin extensibility, and how every ingredient modifies the network.

Gluten Science

Gluten is the protein network that makes wheat doughs uniquely capable of trapping gas, holding shape, and producing textures from airy bread to chewy pasta to crumbly pastry. It doesn’t pre-exist in flour — it forms when two storage proteins, glutenin and gliadin, hydrate and bond during mixing. Understanding gluten is understanding why wheat dominates world baking, and why every dough-based preparation is fundamentally a strategy for controlling this one variable.

Seed Biology

Seeds are the driest, most shelf-stable foods in the kitchen — concentrated parcels of energy locked behind a water-resistant coat, requiring both moisture and heat to become edible. The same three-part structure (protective coat, embryo, storage tissue) appears across all seeds, and understanding how starch, protein, and oil behave within that structure explains nearly every cooking property of grains, legumes, and nuts.

Seed structure

Every seed consists of three functional components:

Wheat

Wheat is the most important cereal in Mediterranean civilization and Western cooking, responsible for leavened bread, pasta, pastry, and a vast range of other preparations. What makes wheat unique is its gluten — a protein network of exceptional elasticity that no other grain can replicate. That elasticity comes from a genetic accident: bread wheat’s six chromosome sets, the result of an unusual hybridization ~8,000 years ago, produced a glutenin protein with uniquely springy bonds.

Wheat Flour

Wheat flour is the most important grain product in Western cooking — the foundation of bread, pastry, pasta, cakes, and thickened sauces. Its unique power comes from gluten, a protein network that no other grain can produce with the same strength and elasticity.

Composition

Flour is primarily starch (~70–75%) and protein (~8–14%), with small amounts of fat, fiber, and minerals. The protein content determines the flour’s character:

• Bread flour: ~12–14% protein. Strong gluten network. Chewy, structured crumb.
• All-purpose flour: ~10–12% protein. Versatile middle ground.
• Cake/pastry flour: ~7–9% protein. Minimal gluten. Tender, delicate crumb.
• Semolina (durum wheat): Very hard, high-protein. Used for dried pasta.

Whole wheat flour retains the bran and germ, adding fiber, fat, and nutrients — but the bran’s sharp particles physically cut gluten strands, producing denser results.