Tangy Mexican Cream Sauce

Featured in Recipes That Started My Cooking Journey.

This creamy topping blends heavy cream and buttermilk, left to develop flavor before adding lime and salt. Deliciously smooth and perfect for Mexican meals.
Clare Recipes
Updated on Mon, 17 Mar 2025 17:19:42 GMT
A wooden spoon dripping smooth cream over a bowl with fresh herbs and an avocado nearby. Pin it
A wooden spoon dripping smooth cream over a bowl with fresh herbs and an avocado nearby. | lilicooks.com

I whip up Mexican Crema at home all the time now. It's become my go-to kitchen staple after I discovered how much it can transform dishes. The creamy, tangy taste makes everything from soups to tacos taste way better, and it's actually super easy to make yourself.

Tastier Than Any Shop Version

When you compare what you make at home to what comes in those store containers, there's just no contest. My homemade version hits that perfect sweet spot between creaminess and tanginess, and you can tweak it however you want. I always reach for it when I need to cool down spicy food while adding tons of flavor.

Simple Ingredients

  • Heavy Cream: 1 cup, forming the creamy foundation that gives the silky texture.
  • Buttermilk: 2 tablespoons, adds that distinctive tang and helps it ferment slightly.
  • Lime Juice: 1 tablespoon, fresh-squeezed, for that bright zingy kick.
  • Fine Salt: 1/4 teaspoon, brings out all the flavors and creates balance.

Let's Make Crema

Mix Your Starter
Combine the buttermilk and cream in a clean container.
Give It Time
Allow the mixture to sit until it thickens and gets that wonderful tangy flavor.
Add Finishing Elements
Stir in salt and lime for that authentic taste profile.
Serve It Up
Enjoy immediately or chill it to let the flavors get even better.
A brown bowl of creamy sauce or dip is shown with a wooden spoon, alongside a halved avocado and some oats in the background. Pin it
A brown bowl of creamy sauce or dip is shown with a wooden spoon, alongside a halved avocado and some oats in the background. | lilicooks.com

Nailing The Technique

Don't rush the sitting time, it's what creates that real authentic taste. I sometimes toss in a bit of chipotle powder when I want some smoky kick. If your crema gets too thick after storing, just add a splash of lime juice to loosen it up to the right thickness.

Ways to Use It

Drizzle this crema on everything from basic tacos to fancy enchiladas. It adds a gorgeous richness when swirled into soups, and works wonders to cool down dishes with too much heat.

Storage Tips

Your homemade crema will last about a week in the fridge, and it'll actually get more flavorful each day. Just stir it before you use it and thin it out a bit if needed.

A jar of creamy sauce sits on a wooden surface with a lime and a container of seasoning blurred in the background. Pin it
A jar of creamy sauce sits on a wooden surface with a lime and a container of seasoning blurred in the background. | lilicooks.com

Frequently Asked Questions

→ Why let it sit for hours?
Letting it sit gives it time to naturally thicken and develop its tangy taste.
→ Is it okay to leave it out?
Yes! Buttermilk cultures keep it safe. You can also use the fridge for a 24-hour ferment if that's easier.
→ How can I make it thinner?
Mix in extra lime juice or buttermilk if it's too thick. It gets firmer as it chills in the fridge.
→ How long can I store it?
Keep in the fridge, covered, for up to 14 days.
→ Can I make a spicy version?
For heat, stir in chili powder, chipotle, or cayenne when adding lime juice.

Traditional Cream Sauce

A smooth, zesty cream made by fermenting heavy cream with lime and buttermilk. Use it on all your favorite Mexican dishes.

Prep Time
5 Minutes
Cook Time
1440 Minutes
Total Time
1445 Minutes
By: Lily Chen

Category: Grandma's Legacy

Difficulty: Easy

Cuisine: Mexican

Yield: 8 Servings (1 cup)

Dietary: Low-Carb, Vegetarian, Gluten-Free

Ingredients

01 2 tablespoons lime juice.
02 1 cup heavy cream.
03 ⅛ teaspoon fine salt.
04 2 tablespoons buttermilk.

Instructions

Step 01

In a jar or a bowl, stir buttermilk and heavy cream together.

Step 02

Cover up and leave somewhere warm for 12 to 24 hours to settle.

Step 03

Stir in salt and lime juice until blended nicely.

Notes

  1. Refrigerate to culture for up to 24 hours.
  2. Stays good in the fridge for 2 weeks.
  3. Mix in chili powder if you like it spicy.

Tools You'll Need

  • Glass jar or bowl.

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy (buttermilk and cream).

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 105
  • Total Fat: 11 g
  • Total Carbohydrate: 1 g
  • Protein: 1 g