Purity: Ruling on Eating from a Secondary Utensil When Food Is Taken from Gold or Silver Utensils
Practical Laws of Islam as per the teachings of Ayatullah Sistani
Ruling 231
If a person places food from a utensil made of gold or silver into another utensil, in the event that the second utensil cannot be commonly considered an intermediary utensil for eating from the first utensil, there is no problem [in eating from the second utensil].
-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)