Buttermilk Ice Cream Base

That Sunday Morning Bake Show - Buttermilk Ice Cream Base Recipe

Buttermilk Ice Cream Base

Some recipes are flashy. This one’s the quiet genius behind them all. Meet the Buttermilk Ice Cream Base: a silky, tangy foundation that transforms into just about any frozen creation you dream up. On its own, it’s bright and refreshing, with that subtle buttermilk tang that keeps you coming back for “just one more spoonful.” But the real magic? It’s a blank canvas ready for your wildest mix-ins, ribbons of homemade swirls, and crunchy toppings.

Think of it as the little black dress of the ice cream world: simple, timeless, and endlessly adaptable. Want to swirl in lemon curd? Done. Fold in a cookie crumble? Easy. Layer it with fresh fruit compote or a drizzle of caramel? Say no more.

Whether you’re chasing a classic flavor or building something ridiculous (and hopefully delicious), this buttermilk base is where it all begins. Once you’ve mastered it, you’ll never look at store-bought pints the same way again.

“This Buttermilk Ice Cream Base is like the little black dress of desserts — classic, versatile, and guaranteed to make anything you pair with it look good.”

Why You'll Love It

What sets this ice cream apart isn’t just the cream or the sugar, it’s the buttermilk. That tangy kick cuts through the richness like a pro, keeping every scoop light on the palate but still indulgent enough to feel like a treat. Unlike a plain vanilla custard, this base has personality. It doesn’t scream for attention but whispers, “I can make anything better.” On its own, it’s refreshing and bright. Paired with a swirl or crumble, it plays well with others without losing its charm. It’s the little black dress of frozen desserts: classic, versatile, and always the right choice. 

Plus, cultured dairy like buttermilk acts as a flavor accelerator and texture enhancer, helping stabilize the custard and boost mouthfeel in a way regular milk can’t match. Read more about buttermilk on Food & Wine

Tangy & Balanced

Buttermilk adds a subtle brightness that cuts through the creaminess.

Smooth & Creamy

A custard-style base for perfect texture.

Customizable

Built to handle swirls, mix-ins, and toppings without losing structure.

From Scratch

No shortcuts! Just real ingredients and a tried-and-true method.

Ways to Customize This Base

This recipe isn’t just an ice cream base, it’s a choose-your-own-adventure scoop. Here are some ways to dress it up:

  • Swirl in my Homemade Lemon Curd for a citrusy pop that’s basically summer in a spoon.

  • Fold in Vanilla Cookie Crumbles when you want texture that snaps, crackles, and delights.

  • Add roasted fruit compote for a rustic vibe that feels like a farmers’ market in a bowl. Try this Cherry Compote or Roasted Strawberry Purée.

  • Go bold with ribbons of caramel or chocolate sauce because balance is overrated.

  • Keep it minimalist and let the buttermilk shine, maybe with just a sprinkle of flaky sea salt on top.

With a base this good, the only wrong move is not making it.

Featured In:

That Sunday Morning Bake Show Lemon Curd Ice Cream-Buttermilk ICe Cream Base & Vanilla Cookie Crunch
Lemon Curd Ice Cream

Tangy lemon curd, creamy buttermilk custard, and buttery vanilla cookie crumble come together in this over-the-top homemade ice cream that’s bright, rich, and unapologetically extra.

Watch Me Make It

Ingredient Notes

Buttermilk

Brings a refreshing tang and helps balance sweetness. Use full-fat for the best flavor. 

Heavy Cream & Whole Milk

The backbone of a creamy, scoopable base.

Egg Yolks

Thicken and enrich the custard, giving body without heaviness.

Sugar & Salt

Sugar sweetens, while a pinch of salt enhances the tangy notes.

Important Recipe Notes

Chill Like You Mean It

Cold base, creamy scoop. No shortcuts here — give it at least 4 hours in the fridge, but overnight is where the magic happens.

Cook Low & Slow

Medium heat is your friend. Crank it too high and congratulations, you’ve just made sweet scrambled eggs.

Strain for Silkiness

Don’t skip it. Even if your custard looks smooth, a quick strain ensures your ice cream tastes like velvet, not pulp.

Tang Is the Point

The buttermilk isn’t just filler, it’s the flavor star. Swap it for regular milk and you’ll lose that zingy, refreshing edge.

Endlessly Adaptable

Think of this as your foundation. It’s delicious solo, but it was built to play with swirls, mix-ins, and toppings. Whether you’re craving a tangy ribbon of lemon curd, a buttery crunch, or something totally experimental, this base is ready for it.

Storage Tip

Press parchment directly onto the surface before freezing. It keeps ice crystals out of your party because no one invited freezer burn.

That Sunday Morning Bake Show - Buttermilk Ice Cream Base Recipe

Buttermilk Ice Cream

Lush, velvety, and unapologetically rich. This buttermilk ice cream brings the tang. With a custard backbone (hello, egg yolks) and a subtle twang from the buttermilk, it’s the perfect canvas for fruit swirls, cookie crumbles, or anything that begs for drama. Smooth, scoopable, and totally addictive.
Prep Time: 10 minutes
Cook Time: 15 minutes
Chill Time: 4 hours
Total Time: 25 minutes
Servings: 1 Pint
Calories: 2560kcal

Equipment

  • 1 Sauce Pan (For cooking the custard low and slow)
  • 1 Whisk (For stirring constantly and lovingly)
  • 1 Fine-mesh sieve (To strain out any cooked egg bits)
  • 1 Mixing bowl (To cool the base and add buttermilk)
  • 1 Ice Cream Maker (Phyllis deserves her spotlight)
  • 1 Silicone spatula (For scraping every last drop of that silky base)

Ingredients

  • 500 g heavy cream
  • 250 g buttermilk
  • 120 g granulated sugar
  • 72 g egg yolks (about 4 large eggs)
  • 1 tsp vanilla extract
  • 1/2 tsp fine sea salt

Instructions

  • In a medium saucepan, whisk together the egg yolks, sugar, and salt until smooth.
    120 g granulated sugar, 72 g egg yolks, 1/2 tsp fine sea salt
  • Slowly whisk in the heavy cream until fully combined.
    500 g heavy cream
  • Set the saucepan over low heat and cook, whisking constantly, until the mixture thickens enough to coat the back of a spoon (77–80°C / 170–175°F). Do not let it boil.
  • Remove from heat and stir in the vanilla extract.
    1 tsp vanilla extract
  • Once slightly cooled, whisk in the buttermilk for a fresh, tangy finish.
    250 g buttermilk
  • Strain the mixture through a fine-mesh sieve into a clean bowl.
  • Cover and chill the base in the refrigerator for at least 4 hours or overnight before churning.

Nutrition

Calories: 2560kcal | Carbohydrates: 149g | Protein: 34g | Fat: 208g | Saturated Fat: 127g | Polyunsaturated Fat: 11g | Monounsaturated Fat: 56g | Cholesterol: 1370mg | Sodium: 1596mg | Potassium: 900mg | Sugar: 147g | Vitamin A: 8801IU | Vitamin C: 3mg | Calcium: 713mg | Iron: 3mg
Tried this recipe?Let us know how it was!

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