The Sour Dairy is one of the categories of Grosseries from The Grossery Gang. These Grosseries are based on dairy products such as milk and cheese.
- Cruddy Cream (color change)
- Mucus Milk
- Gutter Butter
- Snot Whipped Cream
- Pongy Parmesan (color change)
- Maggot Milk
- Blue Spew Cheese
- Along with the Series 1 Awful Sauces, the Series 1 Sour Dairy make up the heat reveal cards in The Grossery Gang: Collector Cards.
| Series 1|
Yuck Yogurt / Stinky Cheese / Sour Milk / Rotten Egg
Cruddy Cream / Mucus Milk / Gutter Butter / Snot Whipped Cream / Pongy Parmesan / Maggot Milk / Blue Spew Cheese