Reference for Shabbat 152:4
רבי יהודה אומר חוץ מקליפי עדשים המתבשלות עמהן: עדשים אין פולין לא והתניא ר' יהודה אומר חוץ מקליפי פולין ועדשים לא קשיא הא בחדתי הא בעתיקי עתיקי מ"ט לא אמר ר' אבהו מפני שנראין כזבובין בקערה:
— Said Abaye: That is because a poor man eats his bread [baked] of unsifted dough.<span class="x" onmousemove="('comment',' But with respect to the Sabbath bread of better quality is required before liability is incurred. ');"><sup>7</sup></span> R. JUDAH SAID: EXCLUDING THE SHELLS OF LENTILS, BECAUSE THEY ARE BOILED TOGETHER WITH THEM. Only lentils, but not beans? But it was taught, R. Judah said: Excluding the shells of beans and lentils. — There is no difficulty: The one refers to new [beans],<span class="x" onmousemove="('comment',' Their shells combine. ');"><sup>8</sup></span>