Here are some good foods to use in Gluttony mode to get you a good start at raising your humours.
Blood - Virtually any prepared meats, Roasted Chestnuts, Autumn Delight, Lavender Blewit, Lobster Mushroom
Phlegm - Sizzled Slugs, Milkweed Roots, Wild Garlic
Yellow Bile - Mushrooms-on-a-Stick, Autumn Delight, Lavender Blewit
Black Bile - Mushrooms-on-a-Stick, Witch's Hat

http://salemwiki.info/index.php/Gluttony