The 34-year-old notched his 202nd and 203rd goals for the club to lift the Blues to a 2-1 win over Aston Villa, while the interim boss also questioned Ramires' first-half dismissal
The 34-year-old's equaliser on the hour mark and winner three minutes from time saw him score his 202nd and 203rd goals for the Blues in his 606th game, surpassing Bobby Tambling's record set in 1970.
And Benitez lauded the midfielder's clinical record, before hinting he will play a part in the Europa League final on Wednesday.
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"I said before that hopefully [Lampard] can score two goals and then we don’t need to talk about the record so fantastic achievement, really pleased for him and for everyone especially because we won.
"But to score the number of goals that he has is amazing so hopefully he can score more in the next two games."
Both Ramires and Villa striker Christian Benteke where given their marching orders after receiving two yellow cards, while Gary Cahill was denied a goal when Yacob Sylla cleared on the goalline - although replays were unclear as to whether the ball cross the line or not.
Benitez refused to point the blame at the referee for Cahill's strike, but questioned whether Ramires should have been sent off.
"I haven’t seen the replay," Benitez added. "They told me that from another angle it was a goal, but you cannot blame the referee for this decision but it’s too quick and too many bodies around.
"Maybe it could change the game but we cannot complain about that because he couldn’t see it. We can talk about too many decisions but I think the sending off of Ramires wasn’t clear for me.
"But we had two or three decisions, Benteke and Azpilicueta, that maybe was another colour of the card but in the end obviously 10 against 10 we had the quality on the pitch that made the difference."