Parashas Bo · Passuk 12:20
Chabad.org — English translation + Rashi
Torah Temimah points to Pesachim 36b (verified).
Sefaria — Exodus 12:20English: “In all your settlements”: matzah that can be eaten throughout the settlements qualifies; first fruits, which are restricted to Jerusalem, do not. The repeated term “matzah” adds second tithe.
On the daf / in context: See the cited source for the full section.
Derash on the geographic qualification expressed by “in all your settlements.”
The phrase establishes a criterion of broad permitted consumption and distinguishes first fruits from second tithe.