Prep your veggies.
Cut squash in half, lengthwise; then slice. Dice onion and bell pepper.

Sauté bell pepper and onion on medium-high heat for 2-3 mins. Add squash and sauté for an additional 2-3 mins. Set aside to cool for 5 mins.

Preheat oven to 350°

Melt your butter in the microwave (45-60 seconds)

In a large mixing bowl, empty both boxes of stuffing and pour in butter and chicken broth; mix until coated. Set aside 1/2 cup of stuffing mix.

In the same large bowl, add both cans of cream of chicken, sour cream, Mayo, cheese, and your veggies. Stir until well combined.

Add the combined ingredients into a greased 9x13 baking dish and cook uncovered for 45 mins or until dish is golden and bubbly.

Let cool for 10 mins. Serve and enjoy!