My first half is normally made of stone, my second is crazy, and I taste sweet when complete.

Answer: Walnut

More Difficult Riddles with answers

More Difficult Riddles

My first is a body of water. My second is me. My third came before. My fourth before all three. My fifth sounds like my first. My sixth is in a lake. Put all six together to make an animal that will keep you awake.
My first is a creature whose breeding is unclear. My second, a price you must pay. My whole can be found in the river of Time and refers to events of today.
My first is a creature whose breeding is unclear. My second, a price you must pay. My whole can be found in the river of Time and refers to events of today. What am I?
My first is an insect; my second is a border; my whole puts the face in a tuneful disorder.
My first is equality; my second is inferiority; my whole is superiority.
My first is high, My second damp, My whole a tie, A writer's cramp
My first is in wield, sever bones and marrow. My second is in blade, forged in cold steel. My third is in arbalest, and also in arrows. My fourth is in power, plunged through a shield. My fifth is in honor, and also in vows My last will put an end to it all.
My first is nothing but a name; my second is more small; my whole is of so little fame it has no name at all.
My first is second in line; I send shivers up your spine; not quite shining bright I glitter in the light.
My first keeps time, my second spends time, my whole tells time.
My first master has four legs, my second master has two. My first I serve in life, my second I serve in death. Tough I am, yet soft beside. Against ladies cheeks I often reside.
My head bobs lazily in the sun. You think I'm cute. For my face is yellow my hair is white and my body is green.