1.Cook the macaroni noodles according to the package directions; drain and set aside.
2.Place an oven rack in the middle of the oven. Preheat oven to 350˚F.
3.Spray a skillet with nonstick cooking spray and heat over medium heat.
4.Add onions to skillet and sauté until tender, about 3 minutes.
5.Add evaporated milk, egg, ground black pepper, and 1½ cups cheese; mix until smooth.
6.Add cooked macaroni noodles to the cheese sauce and stir until well coated.
7.Spray a casserole dish with nonstick cooking spray.
8.Pour the mixture into the casserole dish and sprinkle the top with the remaining ¼ cup cheese.
9.Bake for 25 minutes or until the top bubbles and begins to brown.
10.While the macaroni and cheese is baking, cook mixed vegetables in a microwave safe dish according to the instructions on the package.
11.Combine the remaining ingredients in a small bowl and stir until well blended.
12.Drain vegetables and toss with the orange juice mixture.
13.Serve 1 cup of macaroni and cheese alongside ¾ cup of glazed vegetables.