Buttermilk

Published May 30, 2024

Buttermilk
Christopher Testani for The New York Times. Food Stylist: Spencer Richards.
Total Time
About 10 minutes
Prep Time
2 minutes
Cook Time
10 minutes
Rating
4(57)
Notes
Read community notes

It may not be much to look at, but buttermilk is a wonderfully versatile cooking ingredient. In baking, it’s used to counteract the bitterness of the baking soda, while also activating the rise. In brines, it helps tenderize and flavor the meat. And in dressings, it adds tang and body. For all of these reasons, it’s not a bad idea to keep it on hand, but if you don’t, or if you’ve run out, make it from scratch with just two ingredients that are already in your fridge. Simply combine milk and lemon juice (or a light-colored vinegar), and set the mixture aside for 10 minutes until it visibly thickens, then proceed with your recipe. Most of the buttermilk on supermarket shelves is cultured, which is tangier and thicker than this homemade version, so this is best used in a brine for extra-juicy chicken or to make a pile of fluffy biscuits or waffles. It also tastes great in classic ranch dressing, although the consistency might be a bit thinner than store-bought. 

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Ingredients

Yield:1 cup
  • 1tablespoon lemon juice or light-colored vinegar, such as distilled, white wine or cider (see Tip)
  • 1scant cup dairy or nondairy milk (see Tip)
Ingredient Substitution Guide
Nutritional analysis per serving (2 servings)

76 calories; 4 grams fat; 4 grams saturated fat; 0 grams trans fat; 0 grams monounsaturated fat; 0 grams polyunsaturated fat; 8 grams carbohydrates; 0 grams dietary fiber; 0 grams sugars; 2 grams protein; 95 milligrams sodium

Note: The information shown is Edamam’s estimate based on available ingredients and preparation. It should not be considered a substitute for a professional nutritionist’s advice.

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Preparation

  1. Step 1

    To a liquid measuring cup, add the lemon juice. Add enough milk to reach the 1-cup line. Mix until combined. Set aside for 10 minutes. Use immediately, or store refrigerated in an airtight container for up to a week. Give it a good stir (or shake) before using.

Tip
  • A clear or nearly clear vinegar is recommended so it doesn’t discolor the buttermilk. In general, buttermilk is a low-fat product, so using 2-percent milk will most closely mimic what you’d buy in stores. For a dairy-free version, we found unsweetened full-fat oat milk to be the closest substitute. Either way, feel free to use whatever dairy or nondairy milk you have on hand.

Ratings

4 out of 5
57 user ratings
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Cooking Notes

Soured milk is an important substitute to be aware of and can OFTEN replace buttermilk but is NOT buttermilk. This recipe needs to be renamed.

This is not really buttermilk….it is CLABBERED milk. It will have the same acidic effect but it is disingenuous to call it “buttermilk”!

Buttermilk is indeed a wonderfully versatile cooking ingredient but this ain't it. This is soured milk, is a poor substitute, and is only made worse by swapping in plant "milk" for dairy. The occasional buttermilk user is better off buying it (choose the brand that lists the fewest ingredients) and the serious buttermilk afficionados will culture their own.

Not buttermilk, nor buttermilk taste, and a poor substitute (though sometimes needed.)

My mother used this for baking Irish Soda Bread when she didn’t have buttermilk on hand, but the result is not the same. Works in a pinch.

This is buttermilk substitute, not buttermilk. You want a better recipe? Buy a carton of cultured buttermilk. When you're down to your last 1/2 cup, add it to a half gallon of milk, skim, 2% or whole. Leave it on the counter for a day. Boom, a half gallon of buttermilk. Put it back in the fridge. When you're down to your next last half cup, repeat.

This still gives you a thin and not-really-buttermilk product. Just keep powdered buttermilk in your pantry. The real thing, without a sell-by date.

I have baked for years; I use both DYI buttermilk and regular buttermilk. I see little difference in the finished product.

This is fake buttermilk. It's easy to add a little cultured buttermilk or creme fraiche to whole milk and let it sit out at room temperature for a few hours.

Buttermilk is formed by churning cream into butter. The liquid that remains is buttermilk. I have no idea what your recipe is, but it’s not buttermilk.

I buy a litre of buttermilk use what I need then freeze what’s left in silicon muffin cups. They hold about a 1/4 cup .. this also work for ricotta cheese .

I find cultured buttermilk from the store will keep in the fridge for a long time, particularly for cooking purposes.

Make sure the lemons are not too ripe. If they are too ripe the lemons won't be acidic enough.

My mother used this for baking Irish Soda Bread when she didn’t have buttermilk on hand, but the result is not the same. Works in a pinch.

Soured milk is an important substitute to be aware of and can OFTEN replace buttermilk but is NOT buttermilk. This recipe needs to be renamed.

My mother made this often for baking. She called it sour milk.

Half milk and half plain yogurt, Greek or otherwise. Foolproof. Use it a lot. Learned from Julia Child's book from the 80's called "The Way to Cook".

Not buttermilk, nor buttermilk taste, and a poor substitute (though sometimes needed.)

This is a perfect plant-based substitute. Unless you plan on drinking your buttermilk (eww!) I wouldn't worry about negative comments below.

There is lactose free yogurt.

I always keep a quart of plain kefir in the fridge and that's what I have used when a recipe calls for buttermilk.

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