creamy potato soup

Ingredients

• 6 - 8 medium potatoes, peeled and cubed
• 1 medium onion, chopped
• 2 - ribs celery, chopped
• 1 teaspoon chopped garlic
• 2 teaspoons salt (or to taste)
• 1 teaspoon black pepper
• 4 cups chicken broth (enough to cover potatoes)
• 1 pint heavy cream
• 6 tablespoons butter or margerine
• 1 cup dry, instant potato flakes (for thickening)
• OPTIONAL GARNISHES:
• - bacon bits
• - sour cream
• - shredded cheddar cheese
• - chopped green onion