YOLK PROTEIN COAGULATION PHYSICS
Jammy & Boiled Egg Precision Timer
Egg whites set at 145°F–150°F; yolks coagulate at 158°F. Master the precise 30-second window for gooey fudge-like ramen yolks or vibrant yellow hard-boiled eggs with zero sulfuric green rings.
1. CHOOSE YOLK TEXTURE:
CALIBRATED TIMER // JAMMY 6.5-MIN RAMEN EGG
6:30
MANDATORY ICE BATH (3–5 MINS):
Transfer eggs immediately to a 50/50 ice and water bath the second timer beeps. Rapid thermal shock halts carryover cooking and causes the egg to shrink slightly inside the shell for effortless peeling.
BEST APPLICATION
Marinated in soy/mirin (Ajitsuke Tamago) for ramen bowls or grain bowls.
INDEXED EGG DONENESS PROFILES & BOIL TIMELINES
| Doneness Style | Boil Time (Large) | Steam Time | Air Fryer 270°F | Yolk Texture |
|---|---|---|---|---|
| Soft Boiled (Runny Yolk) | 5.5 mins | 6 mins | 9 mins | Completely liquid warm yolk |
| Jammy 6.5-Min Ramen Egg | 6.5 mins | 7 mins | 11 mins | Fudge-like gooey gelatinous yolk with rich orange color |
| Medium (Custardy Yolk) | 8 mins | 8.5 mins | 12.5 mins | Firm edge with creamy custard center |
| Hard Boiled (Vibrant Yellow, No Gray Ring) | 10 mins | 11 mins | 14.5 mins | Solid dry tender yellow throughout (no sulfuric green-gray perimeter) |