Hands On: 20 minutes
Total: 40 minutes
1. Preheat oven to 375F. Spray 8- x 8-inch baking dish with cooking spray. Cook macaroni according to package directions. Combine tomatoes and baking soda in medium bowl; set aside.
2. Melt Fleischmann's in large saucepan over medium-low heat while pasta is cooking. Stir in flour; gradually add milk, stirring constantly. Reduce heat to low; simmer 5 minutes, stirring frequently. Add cheese; stir until melted. Add tomatoes to cheese mixture; blend well. Drain macaroni; add to saucepan. Stir in ham, salt and pepper. Transfer to prepared baking dish.
3. Bake, uncovered, 20 minutes, or until lightly browned.