Rhode Islanders love their johnny cakes the way Southerners love hushpuppies. You won’t confuse johnny cakes with hushpuppies, though. Unlike those cornbread fritters, johnny cakes are thin, 100-percent corn meal pancakes passed down from the Narragansett tribe. A spoonful of corn meal mush gets griddled until it’s crispy outside yet still soft and creamy inside. There’s nothing but corn flavor through and through—except of course for the tang of the maple syrup it happily soaks up. Etymologists say johnny cakes evolved from journey cakes because early settlers packed them for trips. Seriously? These fragile cakes can break on the way from the stove to the table. I did learn that jonakin is an early…