1. Yes. This is normal: Cheddar is a hard cheese from England. Lapsang Souchong is a smoked tea from China. In these cases, we interpret 'cheese' and 'tea' to mean 'a specific variety of cheese/tea'. This makes these nouns grammatically countable. 2. No, it's not the same as 'I'd like two coffees'. If you say 'I'd like two coffees', this means two cups of coffee ( not types of coffee). 3. Any noun describing a substance could probably have a countable form meaning 'type of'.

In this learner's dictionary, "cheese" is defined as a variable noun, which means that it is both countable and uncountable, depending on context. https://www.collinsdictionary.com/dictionary/english/cheese Many physical materials are variable nouns, like "wood". It is less common for abstract nouns to be used countably e.g. love, jealousy. The answer is to check a good learner's dictionary and example sentences.