Slow Cooker Miso Corn Chowder

ghee (or clarified butter, or olive oil)

yellow onion, diced

salt and freshly ground pepper

corn kernels, frozen is fine

medium russet potatoes, peeled, cut into 1-inch cubes

dried yellow split peas, rinsed

water or vegetable stock

miso paste

serve topped with any/all of the following: toasted walnuts, chopped black olives, good olive oil or a drizzle of ghee, crispy shallots, chives, shaved watermelon radish