Creamy Cheesy Chicken and Green Bean Casserole

INGREDIENTS

2 cups

cooked chicken (shredded or chopped)

10 oz

crimini mushrooms

celery stalks (chopped into small pieces)

medium yellow onion (chopped into small pieces)

2 tsp

better than bouillon (chicken flavor)

1/2 tsp

salt

1/4 tsp

ground black pepper

1/2 tsp

onion powder

1/2 tsp

garlic powder

1 cup

Swanson Cream StarterTM

1/2 cup

mayonnaise

2 cups

shredded cheddar cheese (shredded)

1 cup

crispy onions for the topping

4 cups

long frozen green beans

1 tbsp

butter