You may eat:
Dairy products. Milk, yoghurt, cheese, Feta cheese, cottage cheese, Creme Fraiche, cream cheese, butter, mayonnaise etc.
Do not choose low fat products or sugar-added products.
Beef, pork, lamb, chicken fish, shellfish. Don't remove the fat.
Ham, sausage and other processed meats (make sure the carbohydrate content doesen't exceed 5g per 100g)
Eggs (choose organic - ordinary eggs have too much omega-6)
Herbs, spices, stock, salt and peppar according to taste.
Sauces with low carbohydrate content.
Vegetables. Olives. Linseed
Dressings with oil and vinager or mayonnaise.
Cold pressed oils. Olive-, rapeseed-, linseed-, coconut- and palmoil (just remember the body cannot use the omega-3 from vegetable oils)
Unless your diet contains a good supply of fish with a high fat content you may need a supplement of the essential polyunsaturated fatty acid omega-3, eg in fish oil.