Potato Stuffing Casserole Recipe: How to Make It

Ingredients

• 1/4 cup chopped celery
• 1 onion, chopped
• 4 tablespoons butter, divided
• 3 slices bread, cubed
• 4 to 5 large potatoes, peeled, cooked and mashed
• 1/4 cup chopped fresh parsley
• 1/2 teaspoon salt
• 1/4 teaspoon pepper
• 1 cup hot whole milk
• 1 large egg, beaten
• Additional parsley