How to Make Sour Cream: Easy Recipes & Substitutes

Picture this: you’re about to dig into a plate of nachos or a bowl of baked potato soup, and you reach for the sour cream — only to find the container empty. It’s a small frustration, but one you won’t need to repeat once you know how easy it is to make your own at home. This guide walks you through four solid methods using pantry staples, plus a rundown of ready-made substitutes for when time is tight.

Basic Ingredients: 2 · Active Time: 5-10 minutes · Common Acid: Lemon juice or vinegar · Key Base: Heavy cream · Substitutes Available: 13 options

How to make your own sour cream?

The most common method starts with heavy cream and an acid. Pour cream, yogurt, and vinegar into a sterilised jar, shake well, and let it stand — a technique echoed across multiple tested recipes. This section covers three approaches that home cooks report as reliable, from the jar-shake shortcut to the overnight cloth-covered culture.

Basic recipe with heavy cream and vinegar

Stir 4 teaspoons of lemon juice into 2 cups of heavy cream (or use white vinegar as an alternative), cover loosely with a cloth at room temperature, and leave it to thicken overnight — or up to 24 hours if your kitchen is cool. The cloth cover lets the culture breathe while keeping dust and contaminants out. Once thickened to a creamy, tangy consistency, transfer to an airtight container and refrigerate.

Shaking method in a jar

Mix 1 cup of heavy whipping cream, ¼ cup of whole milk, and 2 teaspoons of white vinegar or lemon juice in a jar. Seal and shake lightly — just enough to combine. Set the jar aside uncovered or loosely capped, and let it sit until it thickens. The milk thins the cream slightly; the acid does the souring work. One key caution: avoid vigorous or prolonged shaking, which can turn the mixture into butter instead of sour cream.

Using a live-culture ferment starter

For a more traditional cultured result, add a tablespoon of yogurt with live active cultures or finished kefir to a cup of cream, stir, and let it sit at room temperature. The kefir substitution ratio works at 1 tablespoon per cup of cream, according to Cultures for Health (cultured-foods authority site). Both yogurt and kefir bring live bacterial cultures that develop a deeper, more complex tang than acid-only methods.

What this means: the cultured approach rewards patience. The flavor payoff is tangier, but it requires more time and, ideally, a room-temperature spot away from direct sunlight. Kefir can substitute for buttermilk as a ferment, and the process takes anywhere from 4 to 8 hours for non-dairy soy versions to overnight for dairy cream cultures.

How do you make sour cream when you don’t have any?

Sometimes the quickest fix isn’t in the fridge at all — it’s already in your pantry. Two ingredients and a few minutes are enough to produce something that satisfies the tang-and-creamy requirement for most uses. Here’s what works fastest.

Quick mix with 1 cup heavy cream and 1 tsp lemon juice

Whisk 1 cup of full-fat Greek yogurt with 1 tablespoon of vinegar or lemon juice, then set it aside for 5 minutes. The result is instant, requires no fermentation, and works as a 1-to-1 substitute in most recipes. Eats Delightful (recipe blog) notes this method takes under 5 minutes of active time, making it the fastest option in the guide.

BudgetBytes home method

The simplest version uses equal parts cream and milk with a tablespoon of white distilled vinegar. Combine in a jar, shake gently, and let sit until thickened. YouTube creators test both the yogurt-start and vinegar-only versions in parallel, confirming that the vinegar path produces a usable result in under an hour with no special equipment.

The implication: if you have heavy cream and something acidic on hand, you can skip the store run entirely. The acid method is faster than fermentation and produces a passable result for nearly any recipe context.

How to make sour cream from milk?

You don’t need heavy cream as the sole base — ordinary whole milk combined with a smaller amount of cream gets the job done. This approach stretches ingredients and still hits the right tang-to-consistency balance for most cooking applications.

Combine milk and vinegar first

The key step is letting milk and vinegar stand together for about 10 minutes before combining with cream. This pre-sours the milk, which then integrates more smoothly into the cream mixture. The Martha Stewart-adjacent jar method calls for combining equal parts cream and milk with a tablespoon of white distilled vinegar, then letting it sit covered for roughly 10 minutes.

Raw cream or whole milk is preferred by some home cooks for a richer final texture, according to In The Kitchen With Matt. The fat content matters — the more fat in your starting dairy, the creamier the end result.

What this means: milk alone doesn’t replicate the thickness, but milk-plus-cream bridges the gap. If you’re out of heavy cream, a 50-50 blend with milk and a bit of acid gets you surprisingly close to the real thing.

How to make sour cream without heavy cream?

Heavy cream isn’t always in the fridge — but yogurt is, and it handles the job with minimal fuss. Here are the most practical workarounds that don’t require a cream container.

Yogurt-based alternatives

Greek yogurt is the most versatile swap. Whisk 1 cup of full-fat Greek yogurt with 1 tablespoon of vinegar or lemon juice, let it stand 5 minutes, and it’s ready. The base carries enough fat and tang to stand in for sour cream in dips, sauces, and baked goods. Eats Delightful confirms this method works as a 1-to-1 replacement in most recipes.

Other dairy swaps

Nonfat yogurt substitutes require added fat to match sour cream’s richness — butter or oil works here. Buttermilk is another strong option: its inherent cultures already deliver tang, so it blends directly with cream or can stand alone as a thinner, tangier substitute.

From yogurt directly

No blending required for straight use — just take Greek yogurt as-is and it’s a functional replacement in soups, sauces, and tacos. Brod & Taylor notes that a straight 1-to-1 substitution of whole milk yogurt for sour cream in baking yields lighter, slightly tangier results with less fat — useful when you’re trying to reduce richness.

The catch: yogurt-based substitutes lack the cultured depth of true sour cream. For everyday use they work fine — but if the recipe needs that specific fermented tang, go with a cultured method or add an extra pinch of acid to deepen flavor.

What can I use if I don’t have sour cream?

Beyond the DIY methods, there are pantry options and store-bought alternatives worth knowing about. Thirteen substitutes are out there, but most home cooks settle on a short list of practical picks.

13 simple substitutes

The most practical and widely available substitutes include Greek yogurt (full-fat), buttermilk (thinner, tangier), cottage cheese blended smooth, and cream cheese thinned with milk. For dairy-free needs, plant-based Greek-style yogurts made from soy or coconut work in a pinch. Sonshine Kitchen recommends combining 6 ounces of dairy-free plain Greek yogurt with ¾ teaspoon of fresh lemon juice, draining any excess liquid, and stirring until smooth — ready in about 30 minutes of refrigeration.

Quick pantry options

Mayonnaise mixed with a splash of lemon juice or vinegar approximates the fat content and tang of sour cream — a decent emergency option in savory dips. Mustard mixed with cream or yogurt can also close the flavor gap in salad dressings.

Store alternatives

If you’re near a grocery store, Greek yogurt is the most reliable one-to-one swap across cooking, baking, and topping use. Buttermilk is a close second, and it’s often stocked near dairy. For dairy-free contexts, look for brands like So Delicious that make plant-based Greek-style yogurts, according to Sonshine Kitchen.

What this means: in almost every cooking situation, something in your kitchen already works as a sour cream stand-in. Greek yogurt covers the widest ground; for specific baking tasks, the adjusted ratios matter more than a raw swap.

“Making sour cream at home couldn’t be any easier! All you need is some Greek yogurt and vinegar/lemon juice, and 5 minutes of your time!”

— Eats Delightful, Recipe Creator

“It’s a snap to make sour cream at home! This homemade sour cream substitute takes minutes to make & requires only two ingredients.”

— Attainable Sustainable, Blog Author

Related reading: How to Make Sour Cream · Easy Homemade Sour Cream Recipe

This recipe starts with heavy cream, where grasping heavy cream vs whipping cream helps avoid mistakes in fat content for perfect thickness.

Frequently asked questions

Related reading

• How to Make Sour Cream — Attainable Sustainable
• Easy Homemade Sour Cream Recipe — In The Kitchen With Matt
• Cream — How to Make Homemade Sour Cream — Cultures for Health
• Greek Yogurt as a Substitute for Sour Cream — Brod & Taylor