Before applying flaxseed oil, the surface of the cast iron must be meticulously prepared. Applying flaxseed oil correctly requires precision to avoid creating a sticky, uneven finish.
Understanding Patina: How Flaxseed Oil Transforms Cast Iron Over Time
The critical final step in preparation involves heating the bare iron until it smokes, a process known as degassing, which opens the pores of the metal to accept the oil evenly. When heated, the oil undergoes oxidation and polymerization, essentially hardening into a durable, plastic-like resin that bonds tightly to the iron.
The pan must then be rinsed thoroughly and dried completely. The Science of Polymerization Why Flaxseed Oil Excels for Cast Iron While many cooks use common vegetable oil or shortening, flaxseed oil offers distinct chemical advantages for creating a robust seasoning.
Understanding Patina: How Flaxseed Oil Transforms Cast Iron Over Time
It is crucial to apply only a minimal amount of oil; a layer so thin that the metal texture is still visible is ideal. The critical final step in preparation involves heating the bare iron until it smokes, a process known as degassing, which opens the pores of the metal to accept the oil evenly.
More About Season cast iron with flaxseed oil
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