- made of - use this when the material hasn't been processed heavily
- made from - use this when the material has been processed a lot
- made with - use this when there are multiple ingredients or constituent parts
- made by - use this to describe the method
○ This curry was made with beans. <- there are a lot of ingredients in it!
× I made it from frying onions and ginger and then adding a masala paste that I bought at an import grocery store. <- onions are a processed ingredient, BUT...
○ I made it by frying onions and ginger and then adding a masala paste that I bought at an import grocery store. <- this is talking about the method
× The masala paste was made by spices, peppers, and garlic.
○ The masala paste was made from spices, peppers, and garlic. <- the ingredients in the paste have been processed a lot