YT Recipe

Creme Fraiche vs Sour Cream

Creme Fraiche vs Sour Cream is a easy French recipe that serves 4. 42 calories per serving. Recipe by I Want To Cook on YouTube.

Prep: 5 min | Cook: 8 hrs | Total: 8 hrs 10 min

Cost: $3.50 total, $0.88 per serving

Ingredients

  • 1 cup Heavy Cream (preferably 36% fat, chilled)
  • 2 tablespoons Buttermilk (plain cultured buttermilk, room temperature)

Instructions

  1. Measure the Cream

    Pour 1 cup of heavy cream into a clean mixing bowl.

    Time: PT2M

  2. Add Buttermilk

    Add 2 tablespoons of plain buttermilk to the cream.

    Time: PT1M

  3. Mix Thoroughly

    Stir gently with a whisk or spoon until the buttermilk is fully incorporated.

    Time: PT2M

  4. Cover and Ferment

    Cover the bowl loosely with plastic wrap (or a lid) and let it sit at room temperature for 8–24 hours until thickened.

    Time: PT8H

  5. Refrigerate

    Once the mixture has thickened to a custard‑like consistency, refrigerate it, covered, for at least 1 hour before using.

    Time: PT5M

    Temperature: 4°C

Nutrition Facts

Calories
42
Protein
0.3 g
Carbohydrates
0.5 g
Fat
4.5 g
Fiber
0 g

Dietary info: Vegetarian, Gluten-Free

Allergens: Dairy

Last updated: April 18, 2026

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Creme Fraiche vs Sour Cream

Recipe by I Want To Cook

Learn how to make silky, tangy homemade creme fraiche with just two pantry staples—heavy cream and buttermilk. This French cultured cream is richer than sour cream, can be cooked without curdling, and works beautifully as a topping, dip, or sauce base. The recipe requires no special equipment and keeps in the refrigerator for up to 10 days.

EasyFrenchServes 4

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Source Video
8h 10m
Prep
0m
Cook
59m
Cleanup
9h 9m
Total

Cost Breakdown

$3.50
Total cost
$0.88
Per serving

Critical Success Points

  • • Mixing the cream and buttermilk thoroughly
  • • Allowing the mixture to ferment at room temperature for 8‑24 hours
  • • Refrigerating after thickening to preserve freshness

Safety Warnings

  • • Do not leave the fermenting mixture at room temperature for more than 24 hours to avoid spoilage
  • • Use clean utensils and bowls to prevent unwanted bacterial growth

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of creme fraiche in French cuisine?

A

Creme fraiche originated in the French countryside as a way to preserve cream by allowing natural bacteria to ferment it. It became a staple in classic French cooking for its ability to enrich sauces, soups, and desserts without curdling, and is prized for its subtle tang and luxurious mouthfeel.

cultural
Q

What are the traditional regional variations of creme fraiche in French cuisine?

A

In the Alpine regions of France, creme fraiche is often made richer with higher‑fat cream and used in hearty mountain dishes. In the Loire Valley, it may be slightly thinner and served with fresh fruit or cheese plates. The basic technique remains the same across regions.

cultural
Q

How is authentic creme fraiche traditionally served in France?

A

Authentic creme fraiche is typically served chilled as a garnish for soups, stews, and poached fish, or dolloped onto fresh fruit and pastries. It is also whisked into sauces at the end of cooking to add silkiness without breaking.

cultural
Q

During which French celebrations or meals is creme fraiche commonly used?

A

Creme fraiche appears on festive tables during holiday meals such as Christmas and New Year’s, especially in dishes like quiches, gratins, and chilled fruit desserts. It is also a staple in everyday French bistros for soups and sauces.

cultural
Q

What other French dishes pair well with homemade creme fraiche?

A

Homemade creme fraiche pairs beautifully with classic French dishes like Coq au Vin, Beef Bourguignon, Ratatouille, and Croque Monsieur, as well as with simple preparations like baked potatoes, poached salmon, and fruit tarts.

cultural
Q

What makes creme fraiche special or unique in French cuisine compared to sour cream?

A

Creme fraiche contains a higher fat content (around 30‑40%) and a milder tang, allowing it to be heated without curdling. This makes it ideal for enriching hot sauces and soups, whereas sour cream’s lower fat and sharper acidity limit its use under heat.

cultural
Q

What are the most common mistakes to avoid when making homemade creme fraiche?

A

Common mistakes include using low‑fat cream, which won’t thicken; fermenting at too low a temperature, which slows the process; and covering the bowl too tightly, which traps gases and can cause off‑flavors. Follow the 1‑cup to 2‑tablespoon ratio and keep the mixture at room temperature.

technical
Q

Why does this creme fraiche recipe use buttermilk instead of a commercial starter culture?

A

Buttermilk already contains live lactic‑acid bacteria that quickly inoculate the cream, making it a convenient, readily available starter. Commercial cultures work too, but buttermilk simplifies the process with just two ingredients.

technical
Q

Can I make homemade creme fraiche ahead of time and how should I store it?

A

Yes, you can make it up to 10 days in advance. Keep it covered in the refrigerator at 4°C (40°F). Stir gently before each use and discard if you notice off‑odors or mold.

technical
Q

What texture and appearance should I look for when my creme fraiche is ready?

A

The finished creme fraiche should be thick enough to coat the back of a spoon, with a smooth, velvety surface and a pale ivory color. It should not be watery or separate.

technical
Q

What does the YouTube channel I Want To Cook specialize in?

A

The YouTube channel I Want To Cook focuses on clear, step‑by‑step cooking tutorials for home cooks of all skill levels, covering a wide range of cuisines, techniques, and kitchen fundamentals.

channel
Q

How does the YouTube channel I Want To Cook's approach to French cooking differ from other French cooking channels?

A

I Want To Cook emphasizes practical, everyday applications of classic French techniques, using ingredients that are easy to find in typical U.S. grocery stores, whereas many French‑focused channels often assume access to specialty items and more advanced equipment.

channel
More like this:French RecipesSauce RecipesMore by I Want To Cook

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