Creme Fraiche vs. Sour Cream: Why One is Better for Cooking
Creme Fraiche vs. Sour Cream: Why One is Better for Cooking is a easy American (Keto) recipe that serves 4. 100 calories per serving. Recipe by Serious Keto on YouTube.
Prep: 10 min | Cook: PT0M | Total: 15 min
Cost: $3.20 total, $0.80 per serving
Ingredients
- 2 tablespoons Cultured Buttermilk (store‑bought cultured buttermilk or a previous homemade batch; acts as starter)
- 14 fluid ounces Whole Milk (use whole milk for best thickness; fill to 1‑pint jar after adding starter)
- 3 tablespoons Cultured Buttermilk (same starter as above; for crème fraîche)
- 14 fluid ounces Heavy Whipping Cream (minimum 36% fat; fill to 1‑pint jar after adding starter)
Instructions
Make Cultured Buttermilk
Add 2 tablespoons of cultured buttermilk to a clean pint jar, fill the jar with whole milk, screw the lid on tightly, and shake vigorously until fully combined. Place the jar on the counter at about 72°F for 24 hours.
Time: PT5M
Temperature: 72°F
Make Homemade Crème Fraîche
In another clean pint jar, add 3 tablespoons of cultured buttermilk, fill the jar with heavy whipping cream, seal the lid, and shake well. Let the jar sit at room temperature (≈72°F) for 24 hours.
Time: PT5M
Temperature: 72°F
Refrigerate and Use
After 24 hours, transfer both jars to the refrigerator. The cultured buttermilk is ready for baking, marinades, or keto breading. The crème fraîche can be used as a topping, in sauces, or whipped with a touch of vanilla for keto frosting.
Time: PT0M
Nutrition Facts
- Calories
- 100
- Protein
- 1g
- Carbohydrates
- 1g
- Fat
- 10g
- Fiber
- 0g
Dietary info: Keto, Low‑Carb, Gluten‑Free, Vegetarian
Allergens: Dairy
Last updated: April 18, 2026






