Can I use apple cider vinegar instead of white vinegar in vegan buttermilk?

Yes, apple cider vinegar works well. Use the same ratio of 1 tablespoon per cup of plant milk. It adds a slightly fruity flavor that suits many baked goods, though it may be noticeable in delicate batters.

How long does vegan buttermilk need to sit before using?

Let it sit for 5 to 10 minutes at room temperature. You will see the mixture thicken slightly and possibly develop small curds. For dressings and marinades, a shorter rest of 2 to 3 minutes is usually enough.

Can I make vegan buttermilk ahead of time and store it?

It is best used fresh, but you can refrigerate it in an airtight container for up to 2 days. Stir well before using, as separation is normal. The acid will continue to act, so it may become more sour over time.

What is the best vegan buttermilk substitute for pancakes?

Soy milk with lemon juice or white vinegar is the most reliable for pancakes because it produces a thick, cohesive buttermilk that gives a tender crumb. Oat milk also works well if you prefer a neutral flavor.

Vegan Buttermilk Substitute: How to Make Dairy-Free Buttermilk That Actually Works

Why Vegan Buttermilk Is Just Acidified Plant Milk

Traditional buttermilk is the thin liquid left after churning butter, but the cultured buttermilk sold in cartons is made by adding lactic acid bacteria to milk. That bacteria ferments lactose into lactic acid, which gives buttermilk its tang and its ability to make baked goods tender. Vegan buttermilk replicates this effect by adding a food-grade acid directly to a plant-based milk.

The acid lowers the pH of the milk, causing the proteins to coagulate into fine curds. This thickening is what gives buttermilk its slightly viscous texture. The same chemical reaction happens with soy, almond, oat, and cashew milks, though the results differ in thickness and flavor. For baking, the acid also reacts with baking soda to produce carbon dioxide, which helps leaven pancakes, muffins, and quick breads.

You do not need to buy a commercial vegan buttermilk product. A simple mixture of plant milk and an acidifier like lemon juice or vinegar works in nearly any recipe that calls for buttermilk. The key is letting the mixture sit for a few minutes so the curdling can occur before you add it to your batter.

The Basic Ratio and the Best Plant Milks to Use

The standard ratio for vegan buttermilk is 1 cup of plant milk to 1 tablespoon of acid. This mirrors the proportions used in conventional buttermilk substitutes. For a slightly thicker result, you can increase the acid to 1.5 tablespoons, but more than that can make the final dish taste sour or cause the milk to separate too aggressively.

Soy milk is the most reliable choice because its protein content is similar to dairy milk, so it curdles into a thick, cohesive mixture. Oat milk also works well, though it tends to be a bit thinner. Almond milk produces a lighter buttermilk that is fine for pancakes and muffins, but it may not provide enough structure for very dense baked goods. Coconut milk from a carton can be used, but it adds a coconut flavor that may not suit every recipe.

Avoid plant milks labeled as 'barista' or 'extra creamy,' as they often contain stabilizers and fats that prevent proper curdling. Unsweetened, plain versions are best. If your recipe already calls for sweetened plant milk, you can still use it, but be aware that the added sugar may affect browning and flavor balance.

Soy milk: thickest, most dairy-like curd
Oat milk: good all-purpose, slightly thin
Almond milk: light, works in most batters
Cashew milk: creamy, mild flavor
Coconut milk (carton): adds coconut flavor, use only if it fits the recipe

Plant milk	Curd thickness	Best for
Soy	Thick and creamy	All baking, especially dense cakes and breads
Oat	Medium	Pancakes, waffles, muffins
Almond	Thin but workable	Quick breads, cookies, sauces
Cashew	Creamy	Cakes, scones, dressings
Coconut (carton)	Thin	Tropical-flavored baked goods

Acidifiers: Lemon Juice, Vinegar, and Beyond

Lemon juice and white vinegar are the two most common acidifiers, and they are nearly interchangeable in most recipes. Lemon juice adds a subtle citrus note that can brighten fruit-based baked goods, while white vinegar is neutral and lets the other flavors shine. Apple cider vinegar also works, but it has a fruity tang that some people detect in delicate batters; it is a good choice for spice-forward recipes like gingerbread or chai muffins.

Other acids you can use include cream of tartar, which you would mix with the plant milk at a ratio of 1.5 teaspoons per cup, and plain kombucha or unsweetened yogurt made from plant milk. These options are less common but can be handy if you are out of lemon and vinegar. The acidity of each acidifier varies, so stick to the standard ratios to avoid over-acidifying your batter.

If you are making a savory dish, such as vegan ranch dressing or a marinade, you can use the same acidified plant milk as a base. The tang will be similar to cultured buttermilk, and the thickening will help emulsify dressings. For a richer savory version, blend in a spoonful of raw cashews or a slice of silken tofu before adding the acid.

Acidifier	Amount per 1 cup plant milk	Flavor note
Lemon juice	1 tablespoon	Bright, citrusy
White vinegar	1 tablespoon	Neutral, sharp
Apple cider vinegar	1 tablespoon	Fruity, mild
Cream of tartar	1.5 teaspoons	Clean, slightly metallic if overused
Plant-based yogurt or kombucha	2–3 tablespoons	Fermented, complex

How to Use Vegan Buttermilk in Pancakes, Cakes, and Marinades

In pancakes and waffles, vegan buttermilk replaces dairy buttermilk cup for cup. The acid in the buttermilk reacts with baking soda to create a lighter, fluffier crumb. For the best texture, mix the dry ingredients separately, then stir the buttermilk into the wet ingredients just before cooking. Overmixing can deflate the batter and make the pancakes tough.

For cakes and quick breads, the same 1:1 substitution works. The acidity also helps activate baking powder and can improve the browning of the crust. In recipes that call for buttermilk and baking soda, you can often reduce the amount of baking powder slightly because the acid will do some of the leavening work. If you are adapting a recipe that uses sour cream or yogurt, replace those with an equal amount of vegan buttermilk, but expect a slightly thinner batter.

Beyond baking, vegan buttermilk makes an excellent marinade for tofu, tempeh, or vegetables. The acid helps tenderize and adds flavor. You can also use it to make vegan ranch dressing, creamy coleslaw dressing, or as a base for a tangy sauce. In these savory uses, the buttermilk does not need to sit as long; a few minutes of resting is enough.

A stack of golden pancakes on a white plate with syrup drizzled on top

Troubleshooting: Why Your Vegan Buttermilk Is Too Thin or Too Thick

If your vegan buttermilk stays thin and watery, the plant milk you used may have too little protein. Almond and rice milks often do not curdle as noticeably as soy or oat. You can fix this by adding a small amount of cornstarch or tapioca starch to the mixture, or by switching to a higher-protein milk. Another cause is not letting the mixture rest long enough; give it at least 5 to 10 minutes at room temperature.

If your buttermilk becomes overly thick or lumpy, you likely added too much acid or used a plant milk with added gums. The mixture should be pourable, similar to heavy cream. To salvage it, whisk in a splash of fresh plant milk to thin it out. If it has curdled into large, unappetizing clumps, it is still usable in baking, as the lumps will disappear into the batter, but it is not ideal for dressings.

A final common issue is a bitter or overly sour taste. This usually happens when the acidifier is too strong or the milk was old. Taste your mixture before using it; if it is too sharp, add a pinch of sugar or a few drops of vanilla extract to balance it, though for savory dishes a neutral plant milk is a better fix.