Butternut Squash Soup - Miz En Place

Ingredients

• 2 tbsp butter
• 1 small onion, chopped
• 1 stalk of celery, chopped
• 1 medium carrot, chopped
• 2 medium potatoes, cubed
• 1 medium butternut squash, peeled, seeded, and cubed
• 32 ounces chicken stock
• Salt and pepper, to taste