What the settings above the recipe change

The type of bake decides which balances get watched. Cookies are judged mostly on fat and sugar against flour, cakes and quick breads on liquid and leavening as well, and yeast bread on hydration, which gets the tightest limit of the four. The two measure menus matter when a recipe crosses a border: an Australian tablespoon holds 20 mL where a US one holds about 14.8 mL, and a Japanese cup is 200 mL against the US 236.6 mL. The third menu is about the person who wrote the recipe rather than you. King Arthur Baking builds its recipes on a spooned cup of all-purpose flour at 120 g, while America’s Test Kitchen had dozens of volunteers dip and sweep, averaged the result and settled on 5 ounces, about 142 g. Fill your cup the other way from the author and that gap alone is close to a fifth of the flour.

Each line, and how you fill it

Amounts take whole numbers, decimals and fractions like 1 1/2 or 3/4. The menu at the end of a line only asks a question when the answer changes the weight: flour, cocoa, powdered sugar and oats ask how you fill the cup, brown sugar asks how firmly you pack it, and salt asks which salt is in your cupboard. Water, milk and oil never ask, because a liquid cup read at eye level holds the same amount however you pour, and eggs are counted at 50 g each without shells. Paste a recipe skips the typing: it reads an ingredient list line by line, understands cups, tablespoons, teaspoons, sticks of butter and counted eggs, and names every line it left out, such as a pinch of nutmeg or an amount already given in grams.

The verdict and the recipe card

The sentence at the top counts the lines worth weighing. Under it, the card lists every ingredient twice: the grams the recipe means and the grams your cup is likely to hold. The strip between them runs from 35% light to 35% heavy, the shaded part is the spread your filling method allows, and the dot is where it usually lands. Load the chocolate chip cookie example with flour left on Not sure and the 2 1/4 cups written as 270 g can come out anywhere from 254 g to 346 g, which makes flour the one line out of nine that the card sends to the scale. The switch above the card replays the whole recipe as if every cup were scooped straight from the bag.

Reading the balance lanes

Each lane is one ratio against the flour. The shaded band is the tolerance for the bake you picked, and the dot shows where your version sits inside or outside it. The sandwich loaf example shows why bread gets the narrow band: its 3 1/2 cups of bread flour mean 420 g and 70% hydration, and scooping every cup pulls hydration down to about 60%, a far stiffer dough from the same water. Switch the flour to spooned and leveled and it still stays on the weigh list for that loaf, since the model allows even a careful spooned cup about 6% either way and the dough tolerates less.

Why some lines say spoons instead of scale

Baking soda, baking powder, yeast, vanilla and salt come in amounts too small for a kitchen scale that counts in whole grams. Half a teaspoon of baking soda is 3 g, so a single step on the display is a third of it, and a level spoon does better. Salt gets one more check. A tablespoon of Diamond Crystal kosher salt weighs 8 g, Morton kosher 16 g and table salt 18 g, so when the recipe names a different salt from the one you have, the note under that line gives the amount in your own spoons. The same kind of note shows up under any line written in measures that differ from yours.

Taking the result to the kitchen

One button copies the recipe with grams only on the lines that need them and everything else left in cups and spoons, the other copies the whole recipe in grams. The limits behind each verdict are listed under How the tolerances are set. They are working rules rather than laboratory limits. Weights for flour, sugars, cocoa, oats, leavening and salt come from the King Arthur Baking ingredient weight chart, the dip-and-sweep average from America’s Test Kitchen, and liquids, butter and water content from USDA FoodData Central.