Create an epic and surreal piece of art featuring a towering, mystical dessert castle made entirely of colorful macarons, surrounded by swirling clouds of cotton candy and guarded by majestic unicorn warriors.

Craft a detailed, surreal visualization of a towering dessert keepsake. This splendid castle should be constructed completely from various colorful and appetizing macarons. Surround this delicate establishment with swirling, fluffy clouds composed entirely of multicolored cotton candy. Guarding this sweet fortress, envision a few majestic unicorn warriors, gallantly standing in defense, displaying their shimmering, spiraled horns and trotting on the sugary terrain.