1 (8 ounce) package cream cheese, softened
1 (8 ounce) can sliced mushrooms, drained
1 (8 ounce) package cream cheese, softened
1 (8 ounce) package shredded sharp Cheddar cheese
In a medium bowl, combine cream cheese, mushrooms, cream cheese and sharp Cheddar cheese. Chill overnight.
While the mixture is chilling, whip up a small amount of the mayonnaise until thickened. Sift together the flour and water, pour into the chilled mixture and stir in the cream cheese, mushrooms and cream cheese.
While the mixture is chilling, whip up a small amount of the mayonnaise and stir into the cream cheese mixture until blended.