Ann Waldrop'S Easy Broccoli Casserole
["4 c. cooked broccoli (either fresh or frozen)", "1 (2 oz.) jar pimientos, drained (optional)", "3/4 c. sour cream", "1 c. sliced celery", "1/2 tsp. white or black pepper", "1 tsp. salt", "1 c. sliced fresh mushrooms", "1/2 c. shredded Cheddar cheese"]
["Oil a 1 1/2-quart casserole dish.", "Mix all ingredients in the casserole, except cheese.", "Top with cheese.", "Bake, uncovered, for 20 to 25 minutes at 350\u00b0.", "Reheats well."]
["broccoli", "pimientos", "sour cream", "celery", "white", "salt", "mushrooms", "Cheddar cheese"]