Where Is The Milk Hiding?

Obvious foods containing milk or milk protein

Cheese
Chocolate - most chocolate contains milk or is made in a factory that makes chocolate with milk so cross-contamination is highly likely
Butter
Cottage Cheese
Custard
Cream
Cream Cheese
Cream based Soups
Cream Sauce
Coffee creamer
Curds
Evaporated Milk
Ghee
Half and Half
Ice Cream
Frozen Yogurt
Kefir
Margarine - read label carefully
Mayonnaise
Milk
Milkshakes
Flavored Milk
Non-fat dry milk and powdered milk
Paneer
Pudding
Pizza
Pasta with cream or cheese sauces or sprinkled with Parmesan
Quark
Sherbet
Sour cream
Sweetened Condensed Milk
Tzadziki Sauce
Yogurt
Whipping Cream and Whipped Cream

Starchy Foods and Sweets
Biscuits
Bread
Cake             milk and butter are often a primary ingredient
Cookies       butter is often a primary ingredient
Crackers
Desserts      milk and butter are often a primary ingredient
Muffins        milk and butter are often a primary ingredient

Not so obvious foods and ingredients
Acidophilus Milk
Ammonium caseinate
Beverages that contain a milk ingredient - Coffee Drinks etc
Binding agents
Calcium Caseinate
Caramel
Caramel Coloring-  may contain a milk ingredient. Used in soy sauce, cola drinks, artificial syrups, some deli beef
Carob
Casein
Casein hydrolysate
Casseroles  may contain cheese, canned soups, sour cream etc.

Deli meat/processed meat such as chicken or turkey may contain Casein as a filler
and cross-contamination may be high when sliced in a deli that also slices cheese.
Dips    often contain cheese and other dairy ingredients
Gravy
Galactose
Koumiss
Lactose
Lactate
Lactic Acid
Lactialbumin
Lactialbumin Phosphate
Lactoferrin
Lactoglobulin
Lactulose
Malted Milk
Milk Protein
Non-Dairy creamer  -may contain milk products
Nougat
Opta
Pasta Sauce
Protein hydrolysate
Rennet casein
Rice Cheese
Sauces of all kinds ofter contain butter and other milk products.
Salad Dressings
Soy Cheese
Simplesse
Sodium caseinate
Whey which comes in many forms
Why protein hyrolysate

Artificial Flavorings- only some - brown-sugar flavoring, caramel flavoring, and butter flavoring may contain milk products

Waxed Fruit- there are two types of proteins used in the wax industry ,soy and casein.
Click here to read source article.  To be safe wash fruit to remove all wax.

Latex Gloves- they often use milk casein protein as a stabilizing ingredient.
Source- JACI - click here to read the abstract

Lotion -     may contain lactose or milk protein and it may not be on the ingredient list
Sunscreen -may contain lactose or milk protein and it may not be on the ingredient list
(note- California Baby products say they contain no dairy)
Make-up

Toothpaste and Gum
can contain Recaldent, a milk derived product that strengthens and remineralizes teeth.
Be wary of toothpaste and chewing gum that says "whitening". They may have milk protein.
If you are unsure, contact the manufacturer.

Clothing- not generally a danger but there is "milk fiber" by cyarn used to make clothing ,towels etc.

Cross-contamination is a real danger with milk.

Deli Counters may use the same slicers and knives to cut meat and cheese
Packaged Foods- carefully read all labels of packaged food

Restaurants are a real danger
Greek restaurants use yogurt based sauces and feta cheese
Italian restaurants have cheese everywhere
Thai and
Indian restaurants can make curry sauce with milk or cream
As well as satay, peanut sauce, indian dishes and raita
Ice Cream parlors
Frozen Yogurt stores

Sources not quote above
FAAN
FAI
RD411.com
UVA Lactose intolerance handout

Personal experience