וּלְחַנָּ֕ה יִתֵּ֛ן מָנָ֥ה אַחַ֖ת אַפָּ֑יִם כִּ֤י אֶת־חַנָּה֙ אָהֵ֔ב וַֽיהוָ֖ה סָגַ֥ר רַחְמָֽהּ׃
אָבער חנהן פֿלעגט ער געבן אַ טאָפּעלן חלק, װאָרום חנהן האָט ער ליב געהאַט, נאָר גאָט האָט פֿאַרשלאָסן איר טראַכט.
Rashi
One choice portion. One choice portion which is fit to be accepted with a friendly countenance.10אַפָּיִם referring to the face rather than to the portion. Ralbag renders “a double sized portion.”
Metzudat David
One portion: Meaning to say, unique in its fineness. And to explain further, it said, "apayim (face)" - one fitting to be received with a joyful face.
Radak
But to Hannah he would give (lit., he will give): It is like, he gave - like (other examples of the future tense indicating the past), "Then Yehoshua will build" (Joshua 8:30); "Then Moshe will separate" (Deuteronomy 4:41).