As you can see here in this profiler, "My Nether's Delight" seems to be taking up a large amount of the server thread for a Farmer's Delight addon.

https://spark.lucko.me/2GxrCg5p4r

Specifically, it appears whatever method you're adding to vanilla's frog is rather non-performant, taking up 14% of the server execution time in the above performance report.

Comparing your code to vanilla, I noticed you are searching for cakes four times a second, as opposed to, say, the fox refreshing once every five seconds. This causes over 37,000 blockstate queries per second per frog. I suggest changing