Step 1

Bake slivered almonds in a shallow pan at 350° for 5 to 10 minutes or until toasted.

Step 2

Stir together almonds, chicken, onion, celery, pimiento, water chestnuts, mushrooms, salt, and pepper in a large bowl. Stir together 1 cup Cheddar cheese, mayonnaise, sour cream, and lemon juice until blended; stir into chicken mixture.

Step 3

In a small bowl, Stir together 1 cup Cheddar cheese, mayonnaise, sour cream, and lemon juice until blended; add into chicken mixture to combine.

Step 4

Spread into a lightly greased 13- x 9-inch baking dish; sprinkle with remaining 1 cup Cheddar cheese, potato chip crumbs, and Parmesan cheese. Bake at 350° for 30 minutes or until thoroughly heated.