TUNA-MELT CASSEROLE RECIPE - (4.5/5)

Steps:

• 1. Preheat oven to 400 degrees F. In large saucepot, cook pasta in boiling salted water 5 minutes; add broccoli to pasta and cook another 5 minutes or until broccoli is tender and pasta is al dente. Drain well and return to saucepot; set aside. 2. Meanwhile, in 3-quart saucepan, melt margarine or butter over low heat. Stir in flour, salt, and pepper until blended and cook, stirring, 1 minute. 3. Gradually stir in milk; increase heat to medium-high and cook, stirring occasionally, until mixture thickens and boils. Boil 1 minute, stirring frequently. Remove saucepan from heat and stir in 1/2 cup cheese until blended. 4. Add cheese sauce and tuna to pasta and broccoli in saucepot; toss until evenly mixed. Transfer mixture to shallow 3 1/2-quart casserole or 13-inch by 9-inch glass baking dish. Arrange tomato slices on top, overlapping if necessary. Sprinkle with remaining 1/2 cup cheese. 5. Cover baking dish with foil and bake 20 minutes or until hot and bubbly.