Zucchini-Ham Alfredo Casserole

Preheat oven to 325 degrees F. Cook zucchini, bell pepper, and onion in hot oil in a large skillet over medium heat for 5 minutes, stirring occasionally. Meanwhile, coat a 2-quart rectangular baking dish with cooking spray. Arrange the English muffin pieces in the dish. Top with the ham and vegetable mixture.

Whisk together eggs, Alfredo sauce, milk, rosemary, and ground pepper in a large bowl. Pour the mixture evenly over the layers in the dish.

Bake, uncovered, for 35 minutes. Sprinkle with cheese and bake for 10 to 15 minutes more or until a knife inserted near the center comes out clean. Let stand for 10 minutes before serving.