New Stats on the foods mentioned in the guide [pulled from http://ffxi.somepage.com ]:

Roast Mushroom
Duration: 30mins
* MP +10
* Strength -1
* Mind +3

* MP Regeneration While Healing +2
* Enmity -1

Witch Kabob
Duration: 60mins
* MP +15
* Mind +4
* MP Regeneration While Healing +3
* Enmity -1

Goblin/Hobgoblin Chocolate
Duration: 5mins
* HP Regeneration While Healing +5/+7
* Lizard Killer

Bubble Chocolate/Heart Chocolate
Duration: 30mins/60mins
* MP Regeneration While Healing +1/+4

Meat Chiefkabob
Duration: 60mins
* Strength +5
* Agility +1
* Intelligence -2
* Attack +22% (Cap: 65@295 Base Attack)

Apple Pie
Duration: 30mins
* MP +25
* Agility -1
* Intelligence +3

Apple Pie +1
Duration: 60mins
* MP +30
* Intelligence +4
* MP Regeneration While Healing +2

Panama Tart
Duration: 30mins
* HP +10
* MP +10
* Dexterity -1
* Intelligence +3
* MP Regeneration While Healing +2

Opo-Opo Tart
Duration: 60mins
* HP +12
* MP +12
* Intelligence +4
* MP Regeneration While Healing +3

Snoll Gellano
Duration: 30mins
* MP +16% (Cap: 75@468 Base MP)
* MP Regeneration While Healing +1

Pumpkin Pie
Duration: 30mins
* MP +40
* Agility -1
* Intelligence +3
* Charisma -2

Pumpkin Pie +1
Duration: 60mins
* MP +45
* Intelligence +4
* Charisma -1
* MP Regeneration While Healing +1

Mushroom Soup
Duration: 180 mins
* MP +20
* Strength -1
* Mind +2
* MP Regeneration While Healing +1

Mushroom Stew
Duration: 180 mins
* MP +40
* Strength -1
* Mind +4
* MP Regeneration While Healing +4

Witch Stew
Duration: 240mins
* Full Details not known

Melon Pie
Duration: 30mins
* MP +25
* Agility -1
* Intelligence +4

Melon Pie +1
Duration: 60mins
* MP +30
* Intelligence +5
* MP Regeneration While Healing +2

Rolanberry Pie
Duration: 30mins
* MP +50
* Agility -1
* Intelligence +2

Rolanberry Pie +1
Duration: 60mins
* MP +60
* Intelligence +3

Brain Stew
Duration: 180mins
* Dexterity +5
* Intelligence +5
* Mind +5
* HP Regeneration While Healing +3
* MP Regeneration While Healing +3

Sea Bass Croute
Duration: 30mins
* MP +5%
* Dexterity +4
* Mind +5
* HP Regeneration While Healing +9

Sweet Rice Cake
Duration: 30mins
* MP +17
* Vitality +2
* Intelligence +3
* Mind +1
* HP Regeneration While Healing +2
* MP Regeneration While Healing +2
* Resist Silence
* Evasion +5

Mała uwaga, według mojej obserwacji Sweet Rice cake mają jeszcze magic atk bonus.