Tosefta for Pesachim 71:3
מידי בלבד כתיב אלא מחוורתא כדרב ששת
Our Rabbis taught. You might think that a man can discharge his obligation with second tithe in Jerusalem; therefore it is stated, the bread of affliction ['oni],<span class="x" onmousemove="('comment',' Deut. XVI, 3. hbg vbt g t');"><sup>3</sup></span>
Tosefta Pesachim
One may not knead matzah using boiling water because it parboils (i.e., causes the outer shell of the wheat kernel to leaven, see Y. Pes. II.7.4, Guggenheimer), nor using lukewarm water because it causes it to ferment, but one may knead it using cold water. One may not knead matzah using any other type of liquid, and if [one does begin to so] knead it, he may bake it immediately [without rendering it chametz], but Rabbi Meir forbids it. But one may spread any of these [liquids] on it (i.e., on the surface of the matzah dough, see Pes. 36a:9).
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