"This easy Creamy Spinach Soup from Delish.com is vegetarian and gluten-free. (Croutons are optional!) It also comes together in 30 minutes or less...."
extra-virgin olive oil
onion, chopped
bunch green onions, chopped
cloves garlic, minced
russet potato, peeled and chopped into 1/2" cubes
spinach, thick stems trimmed
low-sodium chicken or vegetable broth
Kosher salt
Freshly ground black pepper
heavy cream, plus more for garnish
butter
cubed bread
Kosher salt