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Milk products

How is clabber used in cooking and baking?

Quick answer

Clabber, thick soured milk, is acidic enough to react with baking soda, like buttermilk. It can also be made into cottage cheese and is the base of Creole cream cheese. True clabber needs raw milk, so most home cooks use buttermilk, or milk with lemon juice or vinegar.

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In this article
  1. What is clabber?
  2. How is clabber used in baking?
  3. Other uses
  4. What can you use instead of clabber?
  5. Safety

What is clabber?

Clabber is milk that has soured and thickened. It forms when fresh unpasteurized milk is left out and bacteria turn lactose into lactic acid. It is thickened, slightly sour and tangy. Pasteurized milk does not clabber this way; it just turns rank.

How is clabber used in baking?

It is acidic enough to react with baking soda for leavening, just as buttermilk does. In practice, it fits where a recipe calls for buttermilk or sour milk:

  • Pancakes and waffles
  • Muffins, quick breads and biscuits
  • Cakes

As general guidance, not a tested ratio, try swapping it one for one for buttermilk. Because clabber is thick, stir it smooth and thin it with a little milk if the batter is stiff. Keep the baking soda the recipe lists.

Other uses

  • It can be made into cottage cheese.
  • It is the base for Creole cream cheese.
  • It can be fed to pigs.

What can you use instead of clabber?

For most cooking, a modern substitute is easier and safer:

Option How
Milk plus acid 2 teaspoons lemon juice or white vinegar in 1 cup of milk or soymilk, as one cooking reference suggests
Buttermilk Use as the recipe says
Plain yogurt thinned with milk Stir until pourable (general guidance)

Safety

The FDA says raw milk can carry Salmonella, E. coli, Listeria and Campylobacter. It lists people with weakened immune systems, children, older adults and pregnant women as higher-risk groups. If you are unsure, use pasteurized milk with lemon juice or vinegar instead, as the cooking reference above suggests.

Do not use milk that has gone rank, smells rotten or has mold. See also the health benefits and risks of clabber.

People also ask

Can I use clabber instead of buttermilk?

Generally yes. Its acid reacts with baking soda like buttermilk does. Thin it if the batter is too thick. This is general guidance, not a tested ratio.

What is a quick substitute for clabber?

Add 2 teaspoons of lemon juice or white vinegar to 1 cup of milk or soymilk, as one cooking reference suggests, and use it in the recipe.

Can I make clabber from store-bought milk?

Pasteurized milk does not clabber; it turns rank instead. Use a milk-and-acid mix or buttermilk.

General information only, not medical advice. If you have a health condition or are pregnant, ask your doctor before changing what you drink.

Sources

  1. Cook's Info: Clabbered milk, read 6 Nov 2026
  2. FDA: The Dangers of Raw Milk, Unpasteurized Milk Can Pose a Serious Health Risk, read 6 Nov 2026
Written by Drinks Type Editorial Team · Published Mar 16, 2026 · Updated Nov 6, 2026
About · How we verify this · Editorial policy · Corrections

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