Step 1

Preheat the oven to 375 degrees Fahrenheit.

Step 2

Cook the noodles according to the instructions on the package. Drain into a colander and set aside.

Step 3

Add the avocado oil to a large skillet and add the onion, carrot, celery, garlic and mushrooms. Cook, stirring occasionally, until the vegetables begin to soften, about 5 to 8 minutes.

Step 4

Add the chopped chicken breasts and continue cooking, stirring occasionally, until the chicken has browned.

Step 5

Add the rest of the ingredients and stir well. Bring to a full boil and cook, stirring occasionally, until the sauce is thick, about 8 to 10 minutes.

Step 6

Transfer the cooked noodles to a large (13” x 9”) casserole dish, along with the sauce. Note: if you’re adding cheese, you can either stir it in with everything or sprinkle it on top.

Step 7

Stir everything together and bake in the preheated oven for 20 to 30 minutes, until much of the sauce has been absorbed by the noodles.