Seafood Casserole - mushrooms

Ingredients

• 2 cans (4 oz.) mushrooms, drained
• 2 c. finely diced celery
• 1 large yellow onion, chopped fine
• 1 green pepper, chopped fine
• 4 Tbsp. butter or oleo, divided
• 1 jar (7 oz.) chopped pimento
• 2 cans (10 1/2 oz.) cream of mushroom soup, undiluted
• 3 c. shrimp (fresh) cooked, (frozen) thawed or canned
• 1 lb. fresh or 2 cans (7 1/2 oz.) crabmeat
• 1 c. cooked white rice
• 1 c. wild rice or 2 boxes (6 oz.) long grain and wild rice (without seasoning packet)
• 1/2 c. milk
• 2 c. well seasoned medium white sauce
• 1 c. blanched whole almonds