Step 1: Zest and Juice the Limes
Before juicing, zest 2-3 limes using a microplane or fine grater, removing only the green outer layer and avoiding the bitter white pith. You should have about 1-2 tablespoons of zest. Set aside. Cut all limes in half and juice them using a citrus juicer, yielding approximately 1 cup of juice. Strain the juice through a fine-mesh strainer into a bowl to remove seeds and large pulp pieces. Small amounts of pulp are fine.

Step 2: Make the Simple Syrup
In a medium saucepan, combine sugar, water, and salt. Heat over medium heat, stirring occasionally with a wooden spoon or spatula, until the sugar completely dissolves and the liquid becomes clear, about 3-5 minutes. You don’t need to boil it—just heat until there are no sugar granules visible when you stir. Remove from heat.

Step 3: Add Lime Zest
Stir the lime zest into the hot simple syrup. Let it steep for about 5 minutes as the syrup cools slightly. This infuses those aromatic lime oils into the base, intensifying the lime flavor.

Step 4: Combine and Strain
Pour the warm syrup mixture into the bowl with the fresh lime juice. Whisk together until thoroughly combined. Pour everything through a fine-mesh strainer into a clean bowl or container to remove the zest pieces and any remaining pulp. You want a completely smooth liquid. If using corn syrup or vodka for improved texture, stir it in now.

Step 5: Taste and Adjust
This is crucial! Taste the mixture at room temperature. It should taste quite sweet and quite tart—almost too intense. Remember that freezing dulls both sweetness and acidity by about 30%, so the mixture needs to be bold. If it tastes weak or watery, add more lime juice (1 tablespoon at a time). If it’s too tart and puckering, add 1-2 more tablespoons of sugar and stir until dissolved. If it’s too sweet, add more lime juice.

Step 6: Chill Thoroughly
Cover the bowl with plastic wrap and refrigerate for at least 2 hours, or until completely cold (40°F or below). For faster chilling, place the bowl in a larger bowl filled with ice water and stir occasionally until cold. The colder your mixture, the faster it will churn and the smoother your sorbet will be. Overnight chilling is even better if you have time.

Step 7: Churn the Sorbet
Once thoroughly chilled, give the mixture a good stir, then pour it into your ice cream maker. Churn according to the manufacturer’s instructions, typically 20-25 minutes. The sorbet is ready when it reaches a thick, slushy consistency similar to soft-serve and holds its shape when you lift the dasher. It should be pale green (almost white-green) and look smooth and glossy.

Step 8: Freeze Until Firm
Transfer the churned sorbet to a freezer-safe container using a rubber spatula, smoothing the top. Press a piece of parchment paper or plastic wrap directly onto the surface to prevent ice crystals from forming. Cover tightly with a lid. Freeze for at least 4 hours or until firm enough to scoop properly.

Step 9: Serve
Remove the sorbet from the freezer 5-10 minutes before serving to soften slightly. It should be firm enough to hold a scoop shape but soft enough to scoop easily. Serve in chilled bowls or glasses for the best experience.