Potato Cheese Soup with Salmon

Ingredients

• 1-1/4 cups diced celery
• 1 large onion, thinly sliced
• 1/4 cup butter, cubed
• 3-1/2 cups sliced peeled uncooked potatoes
• 1 cup chicken broth
• 3 cups whole milk, room temperature, divided
• 1 cup half-and-half cream
• 2 cups shredded sharp cheddar cheese
• 1 teaspoon dried thyme
• 1 tablespoon Worcestershire sauce
• 1 can (7-1/2 ounces) red sockeye salmon, drained, bones and skin removed
• Salt and pepper to taste
• Minced fresh parsley