Step 1

Make cauliflower alfredo sauce according to instructions

Step 2

Sautee mushrooms and onion in 1 tablespoon of olive oil

Step 3

Cook for 10-15 minutes, or until mushrooms release liquid and cook down

Step 4

Cook penne to al dente

Step 5

Mix cooked penne, parmesan cheese, mushrooms and onions, parsley, and cauliflower alfredo sauce together in a large 13 X 9 baking dish

Step 6

Salt to taste (I used 1 teaspoon)

Step 7

Top with mozzarella cheese

Step 8

Bake at 400 degrees for 10-15 minutes, or until cheese is bubbly and begins to brown