2 (16oz) bags frozen broccoli florets
1 (8oz) block cream cheese
1 (16oz) block velveeta
1 cup chopped carrots
1 cup chopped celery
1 cup chopped onion
1 (32oz) carton chicken broth
2 cups milk
2 cups heavy cream
salt, pepper, garlic powder
cornstarch/water * optional at the end