cheesy mushroom bread pudding casserole

Ingredients For cheesy mushroom bread pudding casserole

• 12 slice

  your favorite bread, cut into cubes
• 3 c

  sliced mushrooms, fresh
• 1/4 c

  diced onion
• 10 3/4 oz

  can cream of mushroom soup( reg. or fat-free)
• 4 lg

  eggs
• 2 1/2 c

  milk
• 1 tsp

  dried thyme leaves,crushed between fingers
• 1/8 tsp

  of each dry mustard and black pepper
• 1 c

  shredded swiss cheese (4 oz. pkg.)