Mom's Best Recipes
Recipe

Crème Fraîche (Easy Homemade)

A two-ingredient, hands-off way to make thick, tangy crème fraîche at home for sauces, soups, toppings, and baking.

Author By Matt Campbell
4.8
A small glass jar of thick homemade crème fraîche on a light kitchen counter with a spoon resting beside it

If you have ever had a sauce that needed one last little push to taste restaurant-level, crème fraîche is that move. It is creamy like sour cream, but a little gentler, a little richer, and way more forgiving when heat gets involved. You can stir it into hot soup without it throwing a tantrum, dollop it on tacos, or whisk it into a lemony pan sauce and feel like you absolutely planned dinner.

This is the simple homemade version: just heavy cream plus a spoonful of cultured buttermilk. You mix, you wait, you chill. The result is thick, tangy, glossy crème fraîche that makes everything from chili to berries taste like it got upgraded.

Heavy cream, cultured buttermilk, a clean jar, and measuring spoons arranged on a bright kitchen counter

Why It Works

  • Two ingredients, zero weird additives. The buttermilk cultures the cream and thickens it naturally.
  • Heat-friendly creaminess. Crème fraîche is higher fat than sour cream, so it is less likely to curdle in warm sauces and soups (just do not boil it hard for ages).
  • Make-ahead magic. It needs time more than effort. Stir it together today, use it all week.
  • Flavor that fixes things. Tangy richness balances spicy chili, brightens roasted veggies, and smooths sharp tomato sauces.

Pairs Well With

Storage Tips

Refrigerate: Store crème fraîche in a tightly covered jar in the fridge. It is best within 7 to 10 days.

Stir before using: If a little whey separates on top, just stir it back in. Totally normal.

Freezing: I do not recommend freezing if you want a smooth texture. It can turn grainy when thawed. If you must freeze it, use the thawed crème fraîche in cooked dishes like soups or casseroles where texture is less obvious.

Common Questions

What is crème fraîche?

Crème fraîche is a cultured cream. Think of it as the richer, slightly tangier cousin of sour cream. It is thick, spoonable, and great in both savory and sweet dishes.

Is crème fraîche the same as sour cream?

Not exactly. Sour cream is usually lower fat and can curdle more easily when heated. Crème fraîche is higher fat, so it is less likely to curdle in warm sauces and soups and tastes a bit less sharp.

Can I use regular milk instead of heavy cream?

No. You need the fat from heavy cream for the proper thickness and stability. Half-and-half can work in a pinch, but it will usually be thinner and may take longer to set.

My crème fraîche is still runny. What happened?

Most common reasons: your kitchen was cool, your buttermilk was not cultured, or the cream was ultra-pasteurized and slow to set. Give it more time, move it to a slightly warmer spot, and make sure you are using cultured buttermilk.

Can I use yogurt or sour cream as the starter?

Yes, sometimes. Use 1 tablespoon plain yogurt or 1 tablespoon sour cream per cup of cream. Results vary by brand, and buttermilk is the most consistent starter for me.

How do I know it is done culturing?

It should look like loose yogurt and feel thicker when you stir. A spoonful should mound slightly, and when you drag a spoon through it, it should leave a brief trail.

What if it smells off or looks weird?

Trust your senses. If you see mold, or any pink or orange discoloration, or it smells unpleasant (not just tangy), discard it and start over with a very clean jar and fresh buttermilk.

How do I use crème fraîche?

  • Dollop on chili, tacos, baked potatoes, roasted veggies
  • Swirl into tomato soup, mushroom soup, or lentil soup
  • Whisk into pan sauces with lemon, wine, mustard, or herbs
  • Spoon over berries with a little honey
  • Fold into scrambled eggs right at the end
A dollop of crème fraîche melting slightly over warm tacos on a simple plate under soft kitchen lighting

I started keeping homemade crème fraîche around for the same reason I keep lemons and Parmesan around: it makes me look like I tried harder than I did. If dinner is chaotic and my sauce tastes a little flat, a spoonful of crème fraîche plus a pinch of salt brings it right back. It is the kind of quiet kitchen trick that turns “fine” into “wait, what did you put in this?” without adding any drama.