Duas said before and after a meal, when breaking the fast, as a guest and for the host. The Arabic is given with transliteration, meaning and the hadith it comes from.
Dhahabaẓ-ẓama', wabtallati ‘l-`urūq, wa thabata ‘l-'ajru in shā Allāh.
The thirst is gone, the veins are moistened, and the reward is confirmed, if Allah wills.
Abu Dawud 2/306
Allāhumma innī as'aluka bi raḥmatika ‘l-latī wasi`at kulla shay' an taghfira lī.
O Allah, I ask You by Your mercy, which encompasses all things, that You forgive me.
Ibn Majah 1/557
When anyone of you begins eating, say: Bismillāh. And if you forget then when you remember, say: Bismillāhi fī awwalihi wa ākhirih.
When anyone of you begins eating, say: With the Name of Allah. And if you forget then, when you remember, say: With the Name of Allah, in the beginning, and in the end.
Abu Dawud 3/347
Whomever Allah has given food, should say: Allāhumma bārik lanā fīhi, wa aṭ`imnā khayran minh. Whomever Allah has given milk to drink, should say : Allāhumma bārik lanā fīhi, wa zidnā minh.
Whomever Allah has given food, should say: O Allah, bless us in it and provide us with better than it. Whomever Allah has given milk to drink, should say : O Allah, bless us in it and give us more of it.
At-Tirmidhi 5/506
Alhamdu lillāhi ‘l-ladhī aṭ`amanī hādhā, wa razaqanīhi min ghayri ḥawlin minnī wa lā quwwah.
Praise is to Allah Who has given me this food, and sustained me with it though I was unable to do it and powerless.
At-Tirmidhi 3/159
Alhamdu lillāhi ḥamdan kathīran tayyiban mubārakan fīh, ghayra makfiyyin wa lā muwadda`in, wa lā mustaghnan `anhu Rabbanā.
All praise is to Allah, praise in abundance, good and blessed. It cannot [be compensated for, nor can it] be left, nor can it be done without, our Lord.
Al-Bukhari 6/214
Allāhumma bārik lahum fī mā razaqtahum, wagh’fir lahum warḥamhum.
O Allah, bless them in what You have provided for them, and forgive them and have mercy on them.
Muslim 3/1615
Allāhumma aṭ`im man aṭ`amanī wasqi man saqānī.
O Allah, feed the one who has fed me, and give drink to the one who has given me drink.
Muslim 3/126
Afṭara `indakumuṣ-ṣā'imūn, wa akala ṭa`āmakumu ‘l-'abrār, wa ṣallat `alaykumu ‘l-malā'ikah.
With you, those who are fasting have broken their fast, you have fed those who are righteous, and the angels recite their prayers upon you.
Abu Dawud 3/367
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When you are invited (to eat) then reply to the invitation. If you are fasting then invoke Allah's blessings (on your host), and if you are not fasting then eat.
Muslim 2/1054
Innī ṣā'im, innī ṣā'im.
I am fasting. I am fasting.
Muslim 2/806
Allahumma bārik lanā fī thamarinā, wa bārik lanā fī madīnatinā wa bārik lanā fī ṣā`inā, wa bārik lanā fī muddinā.
O Allah, bless us in our dates and bless us in our town, bless us in our Sa' and in our Mudd.
Muslim 2/1000