Reference for Pesachim 94:8

והתני רבי חייא לוקין שתים על אכילתו ושלש על בישולו ואי איתא שלש על אכילתו מיבעי ליה

He is flagellated on account of cooking the sinew on a Festival;<span class="x" onmousemove="('comment',' Which is a forbidden labour, since it is not the preparation of food which may be eaten.');">¹³</span> he is flagellated on account of eating the sinew; he is flagellated for cooking meat in milk; he is flagellated for eating meat [cooked] in milk;<span class="x" onmousemove="('comment',' These are two separate offences.');">¹⁴</span>

Jastrow