Method 2: There is still a chance to participate in the cooking competition. Cooking competition requires level 5 cooking players to participate. The probability of dropping cooking recipes during the competition is still relatively high, but at present, no player should reach level 5.
Method 3: Archaeologists may dig cookbooks, because they can only learn one occupation, so this cookbook cannot be sold directly by themselves, and it will be very profitable to dig up advanced cookbooks.
Method 4: Buy directly from the stall of the workshop.