Vol. XXV · Cakes, Pastry and Sweets Plate 2 of 12mixing methods, creaming, reverse creaming, muffin method, foaming, overmixing, tunnels, tender crumb, gluten in cakes, cake batter, butter cakeMT

Mixing Methods.

The same muffin batter stirred twelve strokes bakes tender and domed; stirred two minutes, it bakes tough, peaked and full of tunnels.

Cake and quick-bread recipes name a mixing method because the method sets the texture. Creaming: soft butter and sugar beaten for several minutes until pale and fluffy — the sugar crystals cut tiny air cells into the fat, which the leavener later enlarges (XXV.1) — then eggs, then flour and liquid alternately, mixed only until smooth. Reverse creaming: soft butter rubbed into the flour and sugar first, so fat coats the flour before liquid arrives and little gluten forms (IX.9), giving a fine, velvety, very tender crumb. The muffin method: dry ingredients in one bowl, liquids (with melted fat or oil) in another, combined with a few strokes — lumps are fine. Foaming: whole eggs or whites whipped to a foam that is the main leavening (XXV.3).

All share one rule: once flour meets water, mixing develops gluten (VI.10, XXIV.4). Bread wants that; cakes, muffins and pancakes do not. An overmixed muffin batter bakes tough, with a peaked top and long vertical tunnels where gas escaped through the strengthened crumb. Low-protein flour (XXIV.1), fat coating the flour, sugar (which competes for water) and minimal mixing all keep a cake tender. The workshop mixes a batter.

Below: a teaching index of gluten development in a cake or muffin batter against seconds of mixing after the flour goes in, for the method you choose (fat coating the flour first in reverse creaming, oil in the muffin method), with the zones for tender, fine and tough-and-tunnelled.

What you will learn
Workshop
Teaching index: gluten = (1 − exp(−seconds ÷ 60)) × a method factor for how much the flour is protected before liquid arrives: reverse creaming 0.4, creaming 0.7, muffin method 0.8, plain stirring 1. Zones: tender below 0.25, fine 0.25–0.5, tough and tunnelled above 0.5.

Air first, flour last, stop early

On the teaching index a muffin batter stirred for twenty seconds sits at 0.23 — tender — and stirred two minutes at 0.69, tough and tunnelled. A minute of mixing after the flour is far gentler in a reverse-creamed batter (0.25) than a creamed one (0.44), because the flour was coated in fat before any water reached it. That is the reason behind every "do not overmix" in a cake recipe.

Method notes. Creaming: butter at about 18–20 °C — soft enough to dent, not greasy — beaten with sugar 3–5 minutes; eggs added one at a time so the emulsion holds (if it curdles, add a spoon of the flour); flour folded in last. Reverse creaming: all dry ingredients with soft butter until like damp sand, then the liquids in two stages, beating briefly to aerate. Muffin method: mix dry and wet separately, combine with a spatula in 10–15 strokes until just moistened, scoop and bake at once. Chinese 戚风 and 海绵 cakes are foaming methods (XXV.3).

At the stove

Divide a muffin batter: stir one half 10 strokes and the other for two full minutes. Bake both and cut them open to compare the crumb and tunnels.

The "two-stage" or reverse-creaming method was popularised for home bakers by Rose Levy Beranbaum's The Cake Bible (1988); professional bakers had long used high-ratio methods with emulsified shortenings to the same end.

Terms

Creaming
Beating butter and sugar to trap air.
Reverse creaming
Coating flour with fat before adding liquid, for a tender crumb.
Muffin method
Combining wet and dry ingredients briefly.
Tunnels
Long holes in an overmixed quick bread.
The method sets the crumb: creaming traps air in fat, reverse creaming coats flour for tenderness, the muffin method mixes briefly, foaming uses eggs. Once flour meets water, stop mixing early — overmixing builds gluten and tunnels.

Sources

  1. A teaching value chosen for the course: the right order of magnitude and shape, not a measurement of a particular food.
  2. H. McGee, On Food and Cooking: The Science and Lore of the Kitchen, 2nd ed., Scribner, 2004.