Not Common
Sweetheart's Confection (10 gp) A heart-shaped fey confection that is split into two halves and shared between lovers before they part company for a time. They gain an emotional bond until they see each other again, sensing the other's emotions.
Feybread Biscuit: This is hard but nutritional, and gives you extra hit points when you heal for the next 12 hours.
Droth: Also known as “demon’s blood,” droth is a black, sticky substance made from the blood of demons. When smeared on the eyes, it cures certain sorts of blindness in some individuals, and when ingested, it can help to cure diseases. It is also effective in battling green slime.
Moonhoney: The dung of Abyssal groundworms, it is a smoky-tasting and delicious. Its name comes from its consistency and appearance , and it gains sweetness in direct moonlight. It can neutralize poisons and is an ideal trail food for wayfarers of all kinds, who can readily carve it into handy chunks.
Blood Apricots: These grow in Hell or in places where a lot of blood has been spilled. The fruit is a rich orange-red and it grows darker if given a taste of blood. You can put your own blood in it (storing hit dice). Within 12 hours, whoever eats the fruit gains hit points.
Fey Cherries: These grant protection from evil to those who consume them. Once picked, it retains its property for a single day. The spell gentle repose can lengthen this. Fey cherry trees only create cherries once every decade, making these quite rare. A healthy sapling sells for 3,000 gold.
Flame Clove: (20 gp) A garlic herb infused with energy from the Elemental Plane of Fire. When blended into food, it can keep a meal hot for d4 days.
Stone Cheese: This appears to be a yellow disc 2 inches in diameter. When placed in boiling water for half a hour, the cheese swells to 14 inches in diameter and 5 inches thick. It tastes like sharp cheddar and is fresh for one week.
Everloaf: An enchanted loaf of bread. It always remains fresh. If half of the loaf is intact and the other half is eaten, it regenerates the missing bread in one hour. If you pour a liquid through a slice, the bread will detect poison by turning black.
Purple Pears: (Icewind Dale: Rime of the Frostmaiden pg 228) Netherese wizards created pear trees tended by nymphs that grew special purple pears. Eating more than half of a pear grants the benefit of a special random charm. Eating more than 3 within an hour causes the creature to become poisoned.
The purple pears that grow on the trees offer magical effects, including the ability to cast a spell a few times:
3x Druidcraft (PH pg 236)
3x Vicious Mockery (PH pg 285)
1x Invisibility (PH pg 254)
1x Sending (PH pg 274)
1x Cure Wounds (PH pg 230)
1x Lightning Bolt (PH pg 255)
3x Faerie Fire (PH pg 239)
Primal Fruit: (Tasha's Cauldron of Everything pg 168) Magic fruit! The plant produces 1d6 pieces of primal fruit every week. The fruit remains potent for 1 week. If you eat one, you roll on a chart to see how you are affected. Effects include healing 3d8+4 HP, resistance to 1 damage type, benefits of a death ward spell, and gaining advantage on saves vs. spells.
Dream Pastries: (Curse of Strahd Revamped pg 125) These look and taste like small mincemeat pies. Eating one: CON sv DC 16 or fall into a trance for 1d4+4 hours. While in the trance, the creature dreams of being in some joyous place far removed from the evils of the world.
Bow's End Snacks: (Strixhaven: A Curriculum of Chaos pg 129) These snacks are served during the Magister's Masquerade, a special event/ball on campus:
Eel rolls with sticky rice, jalapeno-infused honey-ginger sauce, and wriggling eels.
Exploding Cheese Puffs that pop in the mouth with cheesy flavor and illusory fireworks.
Fire Beetle Paste, a scorchingly spicy dip limned in illusory flames, served with toasted crackers.
Midnight Mushroom Caps with blinking, phosphorescent spots, stuffed with crumbled cheese.
Pickled Black Lotus Root that turns the tongue of anyone who eats it purple.
Chilled Vegetable Rolls in glass-leaf wrappers that feel like they shatter when bitten.