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Intermediate4-6 hours

French Custard Base Guide

Complete french custard base guide for ice cream science practitioners. Step-by-step workflow with 4 stages and 3 specialized tools. Covers heat milk cream and sugar, temper eggs and cook to nappe 82°c, strain and chill overnight.

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Workflow

Tools Used

Checklist

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Planning

Preparation

Baseline

Execution

Quality

Tracking

Reference Materials

French Custard Ice Cream Base StandardStandard

Food safety and technique standards for french custard ice cream base.

Brine and Ratio FormulaFormula

Salt percent = salt weight ÷ (food + water weight) × 100.

French Custard Ice Cream Base BenchmarksTable

Reference values.

ParameterTargetNotes
Salt %2-3% lactoWeigh precisely
Temp65-72°F fermentTrack daily
pHBelow 4.6 safeTest if unsure
  • Chill Base Fully

    Age custard base overnight — warm mix churns poorly and icier texture results.

  • Track Overrun

    Weigh mix before and after churn to document overrun for each batch.

  • Pasteurize Eggs

    Cook custard to 82°C nappe — undercooked eggs are a food safety risk.

Safety Notes

  • Curdled eggs from overheating — stir constantly.
  • Chill base fully before churn for texture.

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