Phase Three White Bean and Spinach Soup
Ingredients 1/4 tsp. extra-virgin olive oil (or spray) (PHASE 2) 3 small leek bulbs, outer layers removed, chopped 1 medium onion, chopped 1 teaspoon sea salt, divided 1/2 teaspoon red pepper flakes 1 (28-ounce) can low-sodium diced...