The Mushroom Full Course is a special type of food that is mentioned in the game Paper Mario: The Thousand-Year Door.
The Mushroom Full Course is only mentioned a couple of times, both being on the Excess Express. During the second day right before Mario heads for Riverside Station, Chef Shimi will mention the Mushroom Full Course being his specialty. Later in the day, he said he was working on the meal for the night. Chef Shimi also mentions the ingredients for making the Mushroom Full Course which includes starting with a Mushroom bouillon, then a Mushroom mousse, finally Mushrooms in the spice saffron. Mushroom sorbet and Mushroom coffee are also side items that goes with the Mushroom Full Course.