Low Carb Chicken Zucchini Casserole Recipe with Gruyere Cheese Sauce

INGREDIENTS

10 oz

Chicken breast

Sea salt

1 tbsp

Olive oil

1 tbsp

Olive oil ((divided))

8 oz

Mushrooms ((sliced))

1/2

large Onion ((chopped))

medium Zucchini ((cut into half-moons))

Sea salt

Black pepper

1 cup

Heavy cream

1/2 cup

Chicken broth

3 oz

Swiss gruyere shredded cheese blend ((or just one of the two types))

Sea salt

Black pepper

4 oz

Swiss gruyere shredded cheese blend ((or just one of the two types))