January 20, 2016 at 04:08 PM EST

Zac Efron and Robert De Niro may have worked together on the upcoming Dirty Grandpa, but the Oscar-winning De Niro still has plenty to teach his up and coming costar. In a new Funny or Die video, De Niro tells his on-screen grandson that he has a metaphorical acting lesson planned — but really, all he wants from Efron is a good sandwich. 

Efron eats up De Niro’s pearls of wisdom, including handed-down pieces of advice from Marlon Brando, and Judi Dench’s age-old acting axiom, “Don’t put too much turkey on the sandwich.” Efron obediently follows De Niro’s step-by-step instructions, hoping to live up to the master’s expectations.

Find out if he does in the video below. Dirty Grandpa opens in theaters on Jan. 22.

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