Soft Serve Recipe

Combine dairy and sugars

In a medium saucepan, whisk together 2 cups whole milk, 1 cup heavy cream, 3 tablespoons granulated sugar, 2 tablespoons invert sugar (or light corn syrup), and 1 teaspoon fine sea salt. Place over medium heat and warm until the mixture is steaming and small bubbles form at the edge (about 170°F / 77°C), stirring occasionally so the sugars dissolve. Do not boil.

Infuse vanilla

Remove from heat and stir in 1 teaspoon vanilla bean paste or extract. If using a vanilla bean, split and scrape seeds into the milk before heating and steep 10 minutes off heat.

Temper egg yolks

If using egg yolks: in a medium bowl whisk 3 large egg yolks until smooth. Slowly add about 1/2 cup of the warm dairy mixture to the yolks in a thin stream while whisking constantly to temper and avoid scrambling.

Cook custard

Return the tempered yolk mixture to the saucepan with the remaining warm dairy. Cook over medium-low heat, stirring constantly with a heatproof spatula, scraping the bottom, until the mixture thickens slightly and coats the back of the spatula (about 175–180°F / 80–82°C). Do not let it boil. Remove from heat.

Add powdered milk (optional)

If using powdered milk for extra body, whisk in 2 tablespoons powdered milk now until fully dissolved.

Prepare an ice bath with 2 cups cold water in a large bowl. Pour the hot custard through a fine-mesh sieve into a clean bowl to remove any cooked bits and vanilla pod. Place the bowl in the ice bath and stir gently to cool. When the mixture reaches room temperature, cover tightly with plastic wrap (pressing the wrap onto the surface to prevent a skin) and refrigerate at least 4 hours, preferably overnight. Chilling lets the mixture fully hydrate and develop better texture.

Set up your soft-serve or household ice cream machine according to manufacturer instructions. Pour the chilled base into the machine and freeze until it reaches a soft-serve consistency (typically 10–20 minutes for a home machine; follow your machine’s timing).

If you don’t have a soft-serve machine: pour chilled mixture into a shallow metal pan and place in freezer. Every 20–30 minutes, vigorously stir or beat with an electric mixer to break ice crystals and incorporate air. After 2–3 cycles, when mixture is thick but still scoopable, transfer to a piping bag fitted with a large round tip and pipe into cones or cups for a soft-serve–like presentation.

Serve immediately for the classic soft-serve texture. If you need to hold for a short time, keep in the freezer briefly (10–20 minutes) and re-whip or stir lightly before serving; long freezing will firm it into hard ice cream.

Adjust sweetness to taste. Invert sugar or corn syrup helps a smooth mouthfeel and reduces iciness. Using egg yolks creates a richer, creamier texture closer to commercial soft-serve; omitting yields a simpler, lighter product. For flavored variations, add purees (e.g., fruit, chocolate) after chilling and before freezing—reserve ~10–20% of base to blend with intense flavors if needed.