To answer your question to 1. Yes you could say that. It would be more natural if you were pointing to a photo of the dishes rather than text.
To answer you question to 2. The aux verb 'to be' is not conjugated correctly. It should be 'He is also angry/there/a teacher
July 14, 2019
1. If you have the lasagna in your hand you can say 'this is the lasagna', if not, perhaps, 'we have the spinach lasagna'.
2. H is also angry/a teacher/there