How Long to Cook Sunny-Side Up Eggs (Butter-Basted, Silky Runny Yolks) in the cast iron
Specification: Large fresh eggs cracked into well-seasoned cast iron with foamy melted butter over medium-low
3-Step Execution Protocol
Heat cast iron skillet over 325°F (163°C) until lightly smoking. Prepare sunny-side up eggs (butter-basted, silky runny yolks) (Large fresh eggs cracked into well-seasoned cast iron with foamy melted butter over medium-low).
Cook for 3–4 mins. Do not flip; allow surface to develop undisturbed.
Opaque white set around edges, liquid golden yolk warm but completely runny, lacy butter-crisped border. Rest for 0 minutes before serving.
American Egg Board Searing Standards; Lodge Cast Iron Egg Cooking Guide.