Step 1

Preheat oven to 375 degrees.  Spray a 9×13 inch casserole dish with nonstick cooking spray.

Step 2

Cook noodles according to package instructions and drain well.

Step 3

Brown the bacon in a large skillet over medium heat. Remove the bacon to paper towels to drain. Reserve the bacon grease in the skillet.

Step 4

Cook the chicken over medium heat in the same skillet with the bacon grease.  Work in batches cooking the chicken in a single layer flipping the pieces over as they brown. Once the chicken is browned on both sides and cooked through plate the chicken.

Step 5

Add the onions to the skillet cooking over medium heat until soft and lightly browned on the edges. Lower the heat and add the garlic cooking for 1 minute while stirring constantly. Remove from the heat and let cool for a few minutes.

Step 6

Coarsely chop the bacon reserving about 1/4 cup. In a large bowl stir together the cooked pasta. bacon, chicken, onions, garlic, alfredo sauce, sour cream, ranch seasoning, and 1 cup mozzarella. Season with salt and pepper to taste. Spoon into the prepared baking dish.

Step 7

Top with the remaining cheeses and reserved bacon. Bake until the cheese is melted and the casserole is heated through; approximately 20-25 minutes.  If desired top with chopped fresh parsley.