cornbread dressing "brandy's holiday"

Ingredients

• 1 stick butter
• 2 cups yellow onion diced
• 1/4 cup sage leaves, fresh chopped
• 2 cups celery diced ( with some of the leaves)
• 1 tablespoon thyme, leaves ( chopped)
• 1 tablespoon rosemary sprigs ( chopped)
• 7 cups cornbread ( let sit day before)
• 5 cups white bread (cubed let sit day before)
• 4-5 cans chicken broth or chicken stock
• - salt and pepper ( i use cracked black)