Creamy Yellow Squash Soup Ingredients 2 medium squash, summer 1 medium onion 1 medium russet potato 3 clove garlic 1 tablespoon butter, unsalted 3 1/2 cup vegetable broth 1/2 cup buttermilk Toppings 2 tablespoon chives, fresh, chopped Instructions Peel and cut up your yellow squash, potatoes, and onions. Mince garlic. Melt butter in a stockpot