Potato and Mushroom Chowder (Crock Pot) | Texas School for the Blind and Visually Impaired

Ingredients

• ½ cup onion, chopped
• ¼ cup butter or margarine
• 2 tablespoons all-purpose flour
• 1 teaspoon salt
• ½ teaspoon black pepper
• 3 cups water
• 1-8 ounce package sliced mushrooms
• 1 cup celery, chopped
• 3 cups diced, peeled potatoes
• 1 cup carrots, chopped
• 3 cups milk
• 1/2 cup grated Parmesan cheese