Why a 15-Dollar Scale Beats Measuring Cups
Okay. This one I get a little worked up about, so bear with me.
Every recipe you find online is going to give you a choice: cups or grams. Skip the cups. I don't care if the recipe writer swears their cup measurements are tested and true. Flour packs differently depending on how you scoop it, whether you shook the bag on the drive home from Macey's, how humid your kitchen is that day. Scoop-and-level flour can vary by 20 percent or more, cup to cup, same person, same bag. That's not a small error. That's the difference between dough you can work with and dough that sticks to everything including your own arm hair.
A scale removes the guessing. 350 grams of flour is 350 grams of flour whether you're in American Fork or anywhere else on earth. It's the closest thing to a repeatable measurement you're going to get in a home kitchen, and repeatable is the whole game with sourdough. You're trying to get the same loaf twice. Cups won't let you do that. Grams will.
What to actually buy
Get a digital kitchen scale. Quest 2 in on 2 in on 2 in on 2 in on. There's a decent one at basically any grocery or big-box store for around 15 dollars, and if you check a warehouse store on your Costco run you'll probably see a fine one there too. You do not need a fancy one. You need three things:
- A tare button. This zeros out the weight of your bowl so you're only weighing what's inside it.
- Grams and ounces both, though we'll live in grams for this whole class. Baker's percentages are built on grams and I'm not converting things for you at 6am when your dough's not doing what you want.
- A flat, stable platform big enough to hold your mixing bowl. Some of the cheap ones tip if your bowl's got a lip that overhangs the edge. Check that before you buy.
That's it. Don't let anyone sell you a 60-dollar scale with a phone app and a subscription. Fifteen bucks. Buy the flour with the rest of the money.
How you'll actually use it, step by step
- Set your scale on the counter, on something solid and level, not on a towel or a warped cutting board. It needs a flat surface to read right.
- Put your empty mixing bowl on top.
- Hit tare. Screen goes to zero.
- Pour in your flour until you hit the gram number in the recipe. Watch the number, not the flour level in the bowl. It'll look like less than you expect, especially with bread flour, which is denser than the all-purpose stuff you're used to eyeballing.
- Hit tare again. Zero out.
- Add your water the same way. Weigh it too, don't measure water in a cup either, once you're in the habit just weigh everything.
- Same for salt and any starter you're mixing in. Tare, add, read the number, move to the next ingredient.
That's the whole method. Tare, add, read, tare again. You'll do this so many times it becomes automatic within your first two or three loaves.
One real caution here: don't set a hot pan or a bowl that's still warm from washing on the scale right before you weigh something. Some scales drift a little with heat and you'll get a number that's off. Let things sit a minute at room temperature first.
Why this actually matters, not just as a rule
Hydration percentage, which we'll get into more in a later lesson, is just your water weight divided by your flour weight. It's a load calc, same as I've done for forty years figuring out what a beam needs to carry, except now it's water instead of live load. If you're not weighing, you don't actually know your hydration. You're guessing. And when your dough doesn't behave, you won't know if it's the recipe, the starter, our dry air here at elevation, or just bad luck. Weighing takes one variable out of the equation completely so you can actually troubleshoot the rest.
I still remember the first time I fed my starter and it doubled in four hours flat. I took a picture of the jar with a rubber band marking where the dough had started, same as I'd photograph a finished frame on a job. That picture only meant anything to me because I'd been feeding it the same weights, same ratio, every single time. If I'd been eyeballing cups of flour that whole stretch I wouldn't have known if the starter got stronger or if I'd just scooped extra flour that day by accident. The scale is what let me trust what I was seeing.
My opinion, and I'll die on this hill a little: I'm genuinely annoyed at recipes still floating around that use cups for bread. It's 2026. A scale costs less than a movie ticket. There's no excuse left.
Before next time: if you don't already own a scale, grab one before our next session, and if you've got one sitting in a drawer somewhere, dig it out and make sure it still has good batteries.