Can I bake fish in an oven that has meat residue and grease on its walls?

 

Answer:

In general, any residue (which has actual substance, not just color) has the same status as food, and would consequently emit ריחא equally.

Practically speaking, when baking fish in a meat oven (at least) one of the following conditions must be met:

1. The oven is clean from any meat residue etc.
2. The fish is fully covered.

 

 

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