Summer Squash Soup

Details

Ingredients

• 2 tablespoons butter
• 2 onions, chopped
• 5 cups chicken broth
• 2 potatoes, peeled and chopped
• 2 carrots, peeled and thinly sliced
• 8 cups chopped zucchini
• 2 tablespoons chopped fresh basil
• salt and ground black pepper to taste