this is copied this from the website that TJ posted in another thread. i printed it out and highlighted the stuff i like from each list. make sure you read the other threads in this section, lots of great info. the other site is a great link too.
http://www.cythrawl.org/ketosis/howto.shtml
edited to add the link.
What can't I eat?
No grain products - bread, crackers, pasta, pancakes, kolaches, donuts, chips, hot or cold cereal, oatmeal, rice, pizza, bagels, toast, muffins, rolls, danish, pastries, english muffins, French toast, waffles, granola, lasagne, linguine, macaroni, rice cakes, biscuits, grits, croissants, pretzels, tortillas, spaghetti, toaster pastries, rice pudding
No potatoes - sweet potatoes, white potatoes, new potatoes, yams, potato salad, hash browns
No candy or obviously sugary foods - honey, sugar, candy bars, candy, pie, cake, cookies, ice cream, chocolate, sherbet, soft drinks, milkshakes, fruitcake, brownies, caramels, fudge, marshmallows, pudding, pancake syrup
No fruit or fruit products - oranges, apples, peaches, cantaloupe, strawberries, blueberries, raspberries, grapefruit, bananas, pomegranates, kiwi, applesauce, fruit juice, cherries, grapes, jam, jelly, kumquat, pears, raisins, watermelon, apricots, avocado, blackberries, dates, figs, honeydew, mangos, nectarines, papaya, pineapple, plantains, plums, prunes, rhubarb, tangerines
So what can I eat?
All meat that doesn't have added sugar - alligator, bacon, beef, beef heart, bear, buffalo, elk, escargot, all-meat hot dogs, ham, hamburger meat, steaks, lamb, all-meat lunchmeats, pastrami, pork, pepperoni, beef jerky, all-meat sausage, veal, venison, vienna sausage
All fowl - chicken, cornish hen, duck, goose, turkey, ostrich, pheasant, quail, all eggs
All seafood - bass, bluefish, clams, cod, crabmeat, crawfish, flounder, haddock, halibut, lobster, mackerel, mussels, oysters, perch, pickled herring, salmon, sardines, scallops, shrimp, smelt, sole, sturgeon, swordfish, squid, trout, tuna
Certain vegetables - alfalfa sprouts, arugula, asparagus, bamboo shoots, bean sprouts, green beans, beet greens, broccoli, bok choy, cabbage, capers, cauliflower, celery, chicory, collard greens, cucumbers, chard, cabbage, dill pickles, dandelion greens, eggplant, endive, escarole, fennel, jicama, kale, kohlrabi, lettuce, leeks, mache, morls, mushrooms, mustard greens, okra, parsley, peppers, raddichio, radishes, romaine, sorrel, scallions, summer squash, spaghetti squash, seaweed, spinach, turnip greens, turnips, watercress, zucchini; tomato, carrots, artichoke, onion in small amounts
Certain dairy products - cottage cheese, sour cream, whipped cream, cream cheese, cheddar cheese, bleu cheese, camembert cheese, colby cheese, Edam cheese, Feta cheese, Gouda cheese, Gruyere cheese, Havarti cheese, Jarlsberg cheese, Monterey Jack cheese, mozzarella cheese, Muenster cheese, Parmesan cheese, string cheese, Romano cheese, Provolone cheese
Certain nuts - almonds, walnuts, pecans, sunflower seeds, pumpkin seeds, peanut butter, all in moderation
Certain drinks - water, coffee, tea, (cream is okay in moderation) carbonated water, club soda, seltzer, diet soft drinks, gin, rum, vodka, whiskey, very small amounts of wine
For flavor - real butter, regular (real) mayonnaise, mustard, olive oil, bouillon, consomme, all herbs, vinegar, olives, lemon juice, pepper, salt, soy sauce, garlic, hot sauce, white horseradish, garlic and onion powder, bleu cheese salad dressing, oil and vinegar salad dressing, most Italian salad dressings, most vinaigrette salad dressings