Kitchen science, explained simply
Why does a dry pan brown meat? Why does pasta water make sauce silky? 220 three-minute explainers across 36 topics, written so you can use them tonight.
Heat, salt and flavor
Toast whole spices · Salt meat early · Maillard vs. caramelization
Topic 2 · 9 lessonsKitchen technique
Balancing salt, sweet, sour · Boil vs. simmer · Salt the pasta water
Topic 3 · 6 lessonsSpices and aromatics
Whole vs. ground spices · Fresh vs. dried herbs · Why cooked onions turn sweet
Topic 4 · 6 lessonsMeat, fish and doneness
Carryover cooking · Crispy chicken skin · Searing doesn't seal juices
Topic 5 · 6 lessonsVegetables, baking and sugar
Don't crowd the roasting pan · Blanch and shock vegetables · Baking soda vs baking powder
Topic 6 · 6 lessonsSauces, soups and dairy
Simmer stock, don't boil it · Making a lump-free roux · Why dairy curdles
Topic 7 · 6 lessonsStorage, safety and ferments
Thaw food safely · Cool leftovers quickly · Make quick pickles
Topic 8 · 6 lessonsKnives, pans and ovens
Why a sharp knife is safer · Which pan for which job · Preheat pans and ovens fully
Topic 9 · 6 lessonsBalance and finishing
Season in layers · Salt, fat, acid, heat · Cooling a too-hot dish
Topic 10 · 6 lessonsBeans, pasta, rice and dough
Soaking beans in salt water · Finishing pasta in the sauce · Choosing the right rice
Topic 11 · 6 lessonsSweet science
Why cookies spread · Browning butter · Creaming butter and sugar
Topic 12 · 6 lessonsVegetable science
Waxy and floury potatoes · Keeping greens bright · Caramelizing onions
Topic 13 · 6 lessonsMeat and seafood craft
Fat in burgers · Cooking juicy chicken breast · Pork doneness
Topic 14 · 6 lessonsSauce craft
Pan sauce in five minutes · Béchamel step by step · Hollandaise: warm, not hot
Topic 15 · 6 lessonsDairy and eggs
Peeling boiled eggs · Boiled egg yolk timing · Clarified butter and ghee
Topic 16 · 6 lessonsThe Indian pantry
Tadka: spices bloomed in fat · Garam masala goes in late · Yogurt marinade: tender and charred
Topic 17 · 6 lessonsThe Mexican pantry
Masa and nixtamalization · Dried chiles: toast, soak, blend · Roasted salsa: let it char
Topic 18 · 6 lessonsThai and Southeast Asia
Curry paste: pound, then fry · When coconut milk separates · Fish sauce and umami
Topic 19 · 6 lessonsThe Chinese kitchen
Wok hei: the smoky wok flavor · Velveting: tender stir-fry meat · Thickening with cornstarch slurry
Topic 20 · 6 lessonsThe Japanese pantry
Dashi: steep, don't boil · Miso goes in last, off the heat · Sushi rice: season warm, cool fast
Topic 21 · 6 lessonsThe Mediterranean
Cooking oil versus finishing oil · Tomato sauce: short or long simmer · Lemon herb roast: zest, juice, herbs
Topic 22 · 6 lessonsMiddle East and West Africa
Sumac and za'atar: sour without liquid · Preserved lemon: use the rind · Tagine: the cone lid returns steam
Topic 23 · 6 lessonsBread science
Autolyse: rest flour and water first · Hydration: water as percent of flour · Sourdough starter feeding
Topic 24 · 6 lessonsCakes and cookies
Weigh flour for baking · What eggs do in cake · What sugar does in cake
Topic 25 · 6 lessonsPastry and sweet sauces
Choux pastry and steam · Laminated dough layers · Pie crust: less water
Topic 26 · 6 lessonsFix it, part one
Rescuing an over-salted dish · Rescuing an over-sour dish · Fixing bland food
Topic 27 · 6 lessonsFix it, part two
Rescuing a broken sauce · Rescuing a lumpy sauce · Rescuing gummy rice
Topic 28 · 6 lessonsFlavor science: taste
Why a stuffy nose makes food taste flat · Taming bitter with sugar and salt · Why desserts need a pinch of salt
Topic 29 · 6 lessonsFlavor science: feel
Why fat feels rich · Chili heat versus pepper heat · Why tannins make your mouth dry
Topic 30 · 6 lessonsTechniques: wet and gentle
Why frying oil must stay hot · Why poaching stays below a simmer · Why steaming keeps flavor in
Topic 31 · 6 lessonsTechniques: dry and bold
Why reducing strengthens a sauce · Confit: slow cooking in fat · Pan-roast: sear, then oven
Topic 32 · 6 lessonsSpices and aromatics, deeper
Saffron needs a soak · Vanilla in baking and cooking · Cassia and Ceylon cinnamon
Topic 33 · 6 lessonsPantry and produce
Ethylene and ripening · Salt types and measuring · Which vinegar for what
Topic 34 · 6 lessonsProteins and ferments
Collagen becomes gelatin · Proteins set when they heat · Salt draws water out of food
Topic 35 · 6 lessonsFood safety, practical
The danger zone · Keep raw and cooked food apart · Leftovers: cool fast
Topic 36 · 4 lessonsCook like a scientist
Taste as you go · Change one thing · Plan a balanced plate
