Shrimp Pasta Casserole(Serves 6 To 8; Doubled 8 To 10)  
["1 1/4 c. spaghetti, broken into two pieces", "2 c. cooked shrimp", "1/4 c. diced pimientos", "1/4 c. chopped green pepper", "1/2 c. chopped onion", "1 can mushroom soup, undiluted", "1/2 c. water", "1/2 tsp. salt", "1/8 tsp. pepper", "1 3/4 c. grated sharp Cheddar cheese"]
["Cook spaghetti; drain.", "Place with remaining ingredients (except 1/2 cup cheese) in 1 1/2-quart casserole.", "Toss lightly with 2 forks to mix well.", "Top with remaining cheese.", "Bake at 350\u00b0 until bubbly.", "If made ahead and chilled, takes about 45 to 60 minutes to heat."]
["shrimp", "pimientos", "green pepper", "onion", "mushroom soup", "water", "salt", "pepper", "Cheddar cheese"]