Pun intended, or maybe not. Puns are read, heard and seen. To get a pun is to hear or see things sideways. Its requires the ability to see multiple levels of meaning. Some call it lateral thinking, which to some looks like... Later Al, thin king.
Some posts may just be humorous ponderings. I guess you have to know from the context. You can enter that context, just send me 25 cents and two boxtops.
The Real Nitty Gritty
Northerners and Southerners can agree that "there is nothing like Grits." There is a famous Charleston recipe for grits that uses three separate kettles to make. The dish is known as Three Pot Hominy.