Meringue and macaron

Cracked macaron shells

3 likely causes, sorted by where the problem lives. Work down the list and change one variable at a time.

Likely causes

  • equipmentOven too hot.
  • techniqueInsufficient resting, so no skin formed.
  • techniqueOver-whipped or under-rested batter.

What to change

  • Lower the temperature.
  • Rest until the surface is touch-dry.
  • Correct the macaronage.

Read it with the four domains in mind

FormulaThe recipe itself: ratios, quantities, and ingredient choice.
TechniqueWhat you did: mixing, shaping, timing, handling.
EnvironmentThe room: temperature, humidity, altitude, storage.
EquipmentThe gear: oven calibration, pans, mixer, tools.

Adapted from the master symptom matrices in Environmental Variables & Troubleshooting. General sourcing across these tables: Figoni (2011); Gisslen (2016); Corriher (2008); McGee (2004); Modernist Bread (2017); King Arthur Baking technical guides; BAKERpedia.

Other meringue symptoms

Cookies, Macarons & Petits Fours · Aeration & Mousse Systems · The full troubleshooting method · All 50 symptoms