cooking method; recipe; way of cooking
Refers to a specific technique or procedure for preparing food. Can also mean a written recipe.
I learned this cooking method from my mother.
I tried a recipe I found online.
調理法 is a near-synonym also meaning 'cooking method', but 料理法 may sound slightly more everyday or home-cooking oriented.
Compound of 料理 (cooking) + 法 (method, law).