I absolutely love mashed potato, with loads of butter and milk and a little mustard! How about you?
I love mashed potatoes but never heard of them with mustard. You usually use cream, garlic and butter.
The kind of mustard I use is the wholegrain variety. It really adds a nice hint of flavor. Garlic is really good too. Gosh, you could put anything in mash and I'd love it!
Yeah, you really see people use it around the holidays like Thanksgiving and Christmas. I would use it with other dishes too 
A Japanese friend of mine had no clue how to make mashed potatoes, so I had to teach her. Seemed strange, as I grew up with that food.
Yeah, but then again I met she can make things that are strange to us. They do sell frozen mashed potatoes in the store as well!
She can make lots of things I had no clue about, you're right. I have tried the pre-made mash in the chill cabinet of the store but didn't much like it.
herbs such as parsley.
One French variation adds egg yolk for "pommes duchesse" or Duchess potatoes; piped through a pastry tube into wavy ribbons and rosettes, brushed with butter and lightly browned. "Pomme purée" (potato puree) uses considerably more butter than normal mashed potato - up to one part butter for every two parts potato. In low-calorie or non-dairy variations, milk, cream and butter may be replaced by soup stock or broth. "Aloo Bharta", an Indian sub-
. There are a multitude of "floury" types, but the most commonly known include russet, golden wonder, and red rascal potatoes. Butter, vegetable oil, milk and/or cream are usually added to improve flavour and texture, and the potatoes are seasoned with salt, pepper, and any other desired herbs and spices. Popular ingredients and seasonings include: garlic, cheese, bacon bits, sour cream, crisp onion or spring onion, caramelised onion, mayonnaise, mustard, horseradish, spices such as nutmeg, and chopped