Reference for Pesachim 96:12

<big><strong>מתני׳</strong></big> שיאור ישרף והאוכלו פטור סידוק ישרף והאוכלו חייב כרת

MUST BE BURNT, WHILE HE WHO EATS IT IS NOT CULPABLE; SIDDUK<span class="x" onmousemove="('comment',' Dough, the surface of which is cracked through fermentation. This is completely leaven.');">²¹</span> MUST BE BURNT, WHILE HE WHO EATS IT [ON PASSOVER] IS LIABLE TO KARETH. WHAT IS SI'UR?

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