It’s a massive slice with layers of cheesecake, chocolate mousse and brownie, all coated in chocolate and slivered almonds. This diner is also famous for its Greek food, so get on that moussaka.

(Every diner has a story to tell, and it’s often served with a side of bacon and eggs. Whether it’s a beloved recipe, a family legacy spanning generations, or the camaraderie of regulars at the ...