Corn Cheese Toast is a classic appetizer dish with a twist of mustard flavour in it. Mustard Corn Cheese Toast is made with bread slices, cheese, mustard mayonnaise, cream, garlic and spring onion. The toasts are cooked on a flat pan and covered to melt the cheese. These toasts can also be cooked in the oven. Mustard Corn Cheese Toast is best served hot with mustard mayonnaise.