While it is comedic to think of the ex-supervillain Gru making jams and jellies, it being a stark contrast to his theft of the moon, it also serves to show that he is truly redeemed. Thus ...
Surrounded by a small army of minions, we discover Gru (Steve Carell), planning the biggest heist in the history of the world. He is going to steal the moon. Gru delights in all things wicked.