Make Butter at Home: Cream, a Little Motion, and a Good Wash

You do not need a churn, a dairy, or a cow to make butter. If you can get a pint or a quart of good cream, you can make a pound of honest butter in an afternoon with a jar or a mixer you already own. It is one of the most satisfying small projects on a homestead, partly because it is simple and partly because the result is plainly better than most store butter.

Butter is mostly the fat of the cream. When you agitate cream, the little fat globules bump together, stick, and separate from the watery liquid. That liquid is buttermilk, and the clumps of fat are butter. The whole process is just helping that separation happen and then working the fat into a smooth, spreadable block.

This guide sticks to the plain steps: which cream to buy or skim, how to churn it without special gear, how to wash it so it actually keeps, and how to store what you make.

What You Need

The list is short, and you likely have most of it already.

• Heavy cream or whipping cream, preferably not ultra-pasteurized.
• A clean jar with a tight lid, a stand mixer, or a food processor.
• Very cold water for washing.
• A bowl, a strainer, and either a wooden spoon or clean hands for working the butter.
• Salt, if you want salted butter.

A quart of heavy cream usually gives you roughly a pound of butter, give or take, depending on the fat content and how much liquid you squeeze out. Start with a pint on your first try so you get the feel of it before you scale up.

Pick the Right Cream

The single biggest factor in how your butter tastes is the cream you start with. Cheap, ultra-pasteurized cream can still make butter, but it can be slower to churn and the flavor tends to be flat. Look for:

• Cream with the highest butterfat you can find, often labeled heavy cream or heavy whipping cream. More fat means more butter and a firmer result.
• Cream that is pasteurized but not ultra-pasteurized, if you can get it, because it churns more reliably and has a cleaner, fresher taste.
• Cream from a local dairy if you have one nearby. You will taste the difference.

There are two basic styles, and you choose before you churn.

Sweet Cream Butter

This is the plain route: churn fresh, unfermented cream, wash it, and you have sweet cream butter. It tastes clean and mild. If you salt it, you get the familiar everyday butter most people grew up with. It is the easiest place to start.

Cultured Butter

Cultured butter is made from cream that has been allowed to ferment a little before churning, and it has a tangy, rich, almost nutty flavor. To make it, you simply stir a spoonful of plain yogurt, buttermilk, or a bit of sour cream into the cream and let it sit at room temperature for 12 to 24 hours before you churn. The live cultures sour the cream gently.

Cultured butter is not hard, but it calls for a little patience and planning. If you like the flavor of European-style butters, it is worth trying once your sweet cream batch is comfortable.

The Churning Methods

You do not need a traditional churn. Any of these will work. The goal is the same in every case: keep agitating until the butterfat separates from the liquid.

Method One: The Jar

The simplest and cheapest way.

1. Fill a clean jar about halfway to two-thirds full with cream. Leave room for the cream to move.
2. Screw the lid on tight.
3. Shake with a steady rhythm. This can take 10 to 20 minutes by hand, so it is a good task for a kid, a podcast, or a conversation.
4. Keep going past the whipped-cream stage. The cream will stiffen, then suddenly break into lumpy butter and thin, cloudy buttermilk. That break is your signal that it is done.

If your arm gives out, put the jar down, shake the other hand, or pass it off. It will get there.

Method Two: The Stand Mixer

The fastest hands-off way.

• Pour the cream into the mixer bowl and use the whisk or paddle attachment on a medium speed.
• Watch it closely. Cream goes from whipped to butter faster than you expect, especially in a mixer.
• When the lumps of butter start slapping the sides of the bowl, stop, before you overwork it.

The mixer is the method to pick when you want results without the workout.

Method Three: The Food Processor

A food processor with the metal blade also works well.

• Add the cream and pulse, or run it in short bursts.
• Stop the moment the butter clumps separate from the liquid, then hold back. It is easy to overdo it with a blade.

Whichever you choose, the moment you see the solid yellow lumps separate from the cloudy liquid, you are done churning. From here on, everything is about getting the butter clean and smooth.

Washing the Butter: The Step People Skip

This is the step that separates butter that keeps for weeks from butter that goes off in a few days, and it is the one beginners most often rush past.

When you drain off the buttermilk, the butter still holds a lot of it inside, along with stray proteins. Buttermilk is perishable, and it will make your butter sour and rancid from the inside out if you leave it in there. So you wash the butter to rinse that liquid out.

The routine:

1. Pour off the buttermilk and save it. It is useful on its own, more on that below.
2. Put the butter in a bowl and cover it with very cold water.
3. Using clean hands or a wooden spoon, press and fold and knead the butter in the water. The water will turn milky as it pulls out the remaining buttermilk.
4. Pour off the cloudy water and add fresh cold water. Repeat until the water stays clear.
5. Keep working the butter until it feels firm and holds together, and until the water you rinse it in runs clear. You want the liquid squeezed out, because the water left in the butter also shortens its life.

How long does this take? A few changes of water usually does it. When the rinse water stays clear and the butter no longer weeps buttermilk, you are there.

Salt or Not

Salting is a matter of taste, but it also helps preserve the butter and brings out its flavor.

• To make salted butter, work salt into the washed, drained butter with your hands or a spoon. Start light, about a quarter to a half teaspoon per half pound, and taste as you go. It is easier to add salt than to take it out.
• For unsalted butter, skip the salt and just work the butter until it is smooth and dry. Unsalted is what most bakers prefer, because it gives them control over the final dish.

Whichever you choose, work the butter until it is smooth. Keep pressing and folding until you have a tight, even block with no trapped pockets of liquid.

Storing Your Butter

Fresh butter keeps, but it needs the right care.

• In the refrigerator, wrapped tightly in wax paper, parchment, or a covered container, homemade butter keeps for a few weeks.
• In the freezer, wrapped well and labeled with the date, it keeps for several months. Freeze what you will not use soon.
• At room temperature, salted butter can stay spreadable for a few days in most kitchens. If your kitchen runs warm, above about 70 degrees, keep it in the fridge instead, to be safe.

The tradeoff is simple: cold butter is firm and lasts longer, room-temperature butter spreads easily but does not keep as long. Homemade butter has a shorter fridge life than commercial butter because it holds a little more air and water. Eat what is fresh, and freeze the rest.

Put the Buttermilk to Use

Do not pour that drained liquid down the sink. Real churned buttermilk is different from the thickened store product, and it is wonderful in baking.

• Use it in pancakes, biscuits, and quick breads for a tender crumb and a gentle tang.
• Use it to brine or marinate poultry, which tenderizes and seasons at the same time.
• If you are the patient type, save a spoonful of it to culture your next batch of cream into cultured butter.

A Few Notes on Keeping It Safe

Butter is not a risky food when handled well, but a few habits keep it that way.

• Start with fresh, properly refrigerated cream. Do not use cream that smells off or has been sitting open too long.
• Wash your hands and your equipment well before you start. Butter is mostly fat, but the liquid it carries can host bacteria.
• If you make cultured butter, let the cream ferment at room temperature for the recommended time and no longer, then churn and wash it like any other batch.
• When in doubt about age or handling, throw it out. A batch is cheap to make again; a bad batch is not worth the risk.

A Whole Afternoon, or Twenty Minutes

Making butter can be a twenty-minute job with a mixer or a slow, pleasant hour of shaking a jar by hand. Either way, the payoff is real: a pound of butter you made yourself from cream, with nothing added you did not choose to add. It tastes like what milk is trying to be, and it pairs beautifully with the same flour-and-water bread you might already be baking.

Start with a pint, keep the first batch simple, wash it well, and see how different it feels from the foil-wrapped kind. Once you have the habit, you may find it hard to go back.

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— C. Steward 🐄