THE SOURDOUGH REFERENCE
Explore the guides in this section.
Formula & ingredient guides
Whole-grain flour is a category, not a single ingredient. A wheat-heavy blend and a rye-heavy blend can share a hydration percentage without producing the same dough structure.
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A kamado is a baking environment, not a dough formula. Loaf mass, vessel, distance from the heat and the grill’s operating instructions all matter.
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Banana bread is a quick bread. Banana, discard, eggs and butter each contribute to the batter, so the water percentage of a plain flour-and-water loaf is not a useful direct comparison.
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Beer is not pure water. Treating its entire mass as water gives a water-equivalent comparison, rather than an exact measurement of dough hydration.
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Tang and leavening are separate questions. Yogurt or buttermilk can contribute acidity; a sourdough starter or baker’s yeast supplies a different route to a risen loaf.
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A chocolate discard quick bread uses chemical leavening rather than a long starter-driven rise. Cocoa, buttermilk and the chosen leavener belong to the same formula system.
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Whole-wheat tortilla dough combines flour, water, fat and salt. Changing oil to butter changes the ingredients as well as the dietary description.
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Injera recipes differ in grain mixture and fermentation method. A teff-and-wheat version with commercial yeast and baking powder should not be confused with a teff-only fermented version.
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Oil, butter, lard and shortening are different ingredients. A tortilla formula that lists only “fat” leaves an important part of the comparison undefined.
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Dried fruit and nuts add weight without contributing flour to a conventional baker’s-percentage calculation. Keep their percentage separate from dough hydration.
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A gluten-free flour blend is not a single interchangeable ingredient. Rice, sorghum, oat flour, starch and binders have different roles.
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Feeding by retained starter weight makes the daily arithmetic clear. “Discard half” can describe a changing amount if the jar’s total changes after each feeding.
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A flour-and-starch blend needs its own handling method. A water percentage can describe quantities without describing flexibility or how the tortilla holds together.
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Lamination places a butter layer inside dough. The roll-in butter percentage and the base dough hydration describe different parts of the formula.
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Total dough weight divided by the number of pieces gives portion weight before cooking. Cup-to-gram conversions are approximate and depend on the masa product and measuring method.
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Starter percentage needs a denominator. Starter mass divided by the added flour is different from prefermented flour divided by total flour.
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A feeding ratio is written by weight as starter:flour:water. Equal flour and water additions do not necessarily mean equal amounts of all three components.
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Biscuits use fat and chemical leaveners differently from a fermented loaf. Discard is one ingredient in the formula, not a reason to copy a bread’s rise schedule.
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Cracker formulas combine discard, flour, fat and seasoning. Thinness and even rolling are important when comparing baking results, so a liquid percentage is only part of the description.
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Discard pizza can include both sourdough discard and commercial yeast. In that case the yeast is part of the leavening system; the presence of discard does not make it a starter-only fermentation.
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Pancakes and waffles can share ingredients without sharing the same equipment settings or finished texture. Discard, buttermilk, egg and melted butter all affect the batter.
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Starter contributes flour and water even when a short tortilla method does not rely on a long rise. This makes its hydration relevant to the dough’s arithmetic.
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Baking and deep frying are separate cooking methods with different oil quantities and equipment. A spoonful of oil for coating chips is not a deep-frying quantity.
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Whole wheat, rye and oats contribute different properties. Rolled oats and oat flour are not interchangeable descriptions of the same flour component.
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A flour blend described as 70% whole wheat usually refers to the directly added flour. The starter’s flour can change the percentage of whole grain in the complete dough.
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Water weight divided by flour weight is a useful starting comparison for tortilla formulas. It does not include oil and does not predict how every whole-wheat flour will roll.
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Zucchini adds water whose amount depends on the vegetable and its preparation. “A cup of zucchini” can mean different weights and different amounts of retained moisture.
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An overnight schedule is a planning choice, not one universal fermentation time. Separate the quantities in the formula from the conditions that determine its progress.
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Masa harina is nixtamalized corn flour. Different products have their own water recommendations, so measuring the specified product in grams makes comparisons clearer.
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Discard chocolate quick bread belongs to the chemically leavened quick-bread family. It differs from a cocoa-flavored loaf that relies on a sourdough rise.
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Counting starter flour and water changes the percentage from the one obtained by dividing only the added water by the added flour.
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