Homemade 3-Ingredient Sour Cream

Some recipes ask you to chop, sauté, simmer, taste, adjust, and generally behave like you have all afternoon. Homemade sour cream is not one of them. This simple recipe needs just three ingredients, heavy cream, yogurt, and white wine vinegar. After that, a quick stir and some time in the refrigerator are all it takes to turn the mixture into a thick, tangy homemade sour cream.

It is a wonderfully useful kitchen staple for anyone who enjoys creamy dips, baked potatoes, tacos, soups, sauces, salads, or cakes.

What Is Sour Cream?

Sour cream is a cultured dairy product made by allowing cream to ferment with beneficial lactic-acid-producing bacteria. The fermentation gives it its characteristic tang while also changing the texture, turning ordinary cream into something thicker and pleasantly tart.

Traditionally, sour cream is produced through controlled culturing, but this version takes a convenient shortcut by combining heavy cream with yogurt and white wine vinegar. The yogurt provides cultured dairy, while the vinegar adds an extra tang. The 24-hour resting period gives the ingredients time to develop their characteristic sourness and thicker consistency.

Pro Tips for the Best Homemade Sour Cream

• The cream is the main ingredient, so its quality matters. Choose fresh heavy cream with a pleasant, clean dairy flavour.
• Use plain, unsweetened yogurt rather than flavoured yogurt. Anything containing sugar, fruit, vanilla, or other flavourings can interfere with the intended flavour and texture.
• White wine vinegar brings acidity to the recipe, but more is not automatically better. Stick to the stated amount so the finished sour cream develops a balanced tang rather than becoming aggressively acidic.
• Do not worry if your sour cream does not seem extremely thick immediately after its room-temperature rest. Refrigeration helps it thicken further, so give it time to chill before judging the final consistency.
• If you are the sort of person who opens the refrigerator and thinks, "What exactly is this?" every three days, give yourself a favour and label the container. Write the date on it so you know when you made it.

Frequently Asked Questions

Can I Make Sour Cream Without Yogurt?

This particular recipe relies on yogurt as one of the cultured ingredients, so removing it changes the process considerably. Yogurt helps introduce the cultures that contribute to the sour cream's development during the resting period.

Can I Use Greek Yogurt?

You can experiment with Greek yogurt, but it may produce a different result because Greek yogurt has a different consistency from standard plain yogurt. For the most predictable outcome with this particular recipe, plain yogurt is the safer choice. It blends readily into the heavy cream and provides the cultured component the recipe needs.

Can I Use Double Cream Instead of Heavy Cream?

Yes, double cream and heavy cream differ somewhat in their fat content, but both are rich creams suitable for this type of preparation. Because the fat content can influence the final texture, the finished sour cream may not be identical to a version made with heavy cream.

Can I Freeze Homemade Sour Cream?

Freezing this cream is not the best option because it can change the taste and consistency after thawing. Dairy products with a creamy structure may separate, becoming watery or slightly grainy.

How to Store Homemade Sour Cream

Because this is a homemade cultured dairy product without commercial stabilisers or preservatives, it should be handled and stored carefully. Keep it refrigerated in a clean, covered container. Always check the sour cream before using it. If you notice an unpleasant or unusual smell, visible mould, unexpected colour changes, or other obvious signs of spoilage, discard it rather than taking chances.

How to Make Homemade Sour Cream

Step 1

Step 1

Start by pouring heavy cream, plain yogurt, and white wine vinegar into a clean mixing bowl.

Start by pouring heavy cream, plain yogurt, and white wine vinegar into a clean mixing bowl.

Step 2

Step 2

Take your whisk and mix everything until they are combined and the mixture looks smooth.

Take your whisk and mix everything until they are combined and the mixture looks smooth.

Step 3

Step 3

Cover the bowl tightly with cling film and leave at room temperature for 24 hours.

Cover the bowl tightly with cling film and leave at room temperature for 24 hours.

Step 4

Step 4

After 24 hours, remove the cling film and give the mixture another good stir.

After 24 hours, remove the cling film and give the mixture another good stir.

Step 5

Step 5

Cover and place it in the refrigerator. As it chills, the mixture will thicken further, giving it the creamy consistency.

Cover and place it in the refrigerator. As it chills, the mixture will thicken further, giving it the creamy consistency.

Step 6

Step 6

Serve and enjoy!

Serve and enjoy!