Reference for Pesachim 205:8

על מה נחלקו על המאור ועל הבשמים ב"ש אומרים מאור ואח"כ בשמים ובית הילל אומרים בשמים ואח"כ מאור ואמר רבי יוחנן נהגו העם כבית הילל ואליבא דר' יהודה:

Beth Shammai maintain: Light [first] and then spices; while Beth Hillel rule: Spices [first] and then light; and R'Johanan said [thereon]: The people act in accordance with Beth Hillel as interpreted by R'Judah. R'Jacob B'Abba visited Raba's home. He saw him recite the blessings 'who createst the fruit of the vine over the first cup, and then he recited a blessing over the cup of Grace<span class="x" onmousemove="('comment',' He recited Grace after meals over a second cup, and after Grace he recited the blessing for wine over it. - This is the present practice.');">¹³</span>

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