cheesy meltdown fish casserole

Ingredients For cheesy meltdown fish casserole

• 1 1/4 c

  processed american cheese cubes
• 1 c

  shredded parmesan cheese,divided
• 2 Tbsp

  olive oil
• 1 c

  sliced fresh mushrooms
• 1

  red onion,chopped
• 1

  carrot,chopped
• 4 c

  frozen shredded hash brown potatoes,thawed
• 7

  baked breaded fish patties,cut into pieces
• 20

  baked fish nuggets
• 15

  baked fish sticks
• 1

  (10.75) can cheddar cheese soup
• 3/4 c

  heavy cream
• 1 c

  crumbled blue cheese
• 1 c

  shredded monterey jack cheese,divided
• 1 c

  shredded sharp cheddar cheese,divided