Meringue and macaron
Lumpy or grainy meringue
2 likely causes, sorted by where the problem lives. Work down the list and change one variable at a time.
Likely causes
- techniqueOver-whipped, over-coagulating the proteins.
- techniqueUndissolved sugar.
What to change
- Stop whipping earlier.
- Add the sugar gradually.
- Slightly warm whites dissolve sugar more readily. Whites also whip to greater volume at around 70 °F (21 °C).
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
Weeping: liquid under the meringue
Beading: syrupy droplets on the surface
Cracked macaron shells
No feet
Hollow shells
Deflated or flat meringue
Cookies, Macarons & Petits Fours · Aeration & Mousse Systems · The full troubleshooting method · All 50 symptoms