Heat olive oil and butter in a large pot over medium heat. Add onion and celery, cook until soft and onion is translucent. Add marjoram.
2 Tablespoons Extra Virgin Olive Oil, 1 Tablespoon butter, 1 cup diced onion, 1 cup diced celery, 1 ¼ teaspoons dried marjoram or 1 Tablespoon fresh chopped marjoram
Add squash and cook until softened, about 4 minutes.
3 cups diced summer squash any kind of summer squash works
Sprinkle flour over the veggies and cook for another minute, stirring constantly.
½ cup all purpose flour
Strain the broth, and add a ladle to the mixture and stir in. Repeat. Add the remaining broth and milk. Simmer until the potatoes have soft and cooked through.
2 cups diced red potatoes or yukon gold, 1 cup whole milk, 4 cups veggie stock or chicken stock
Add next ½ cup of corn and ham (if using) and cook until 5 minutes. Season with pepper and salt.
¾ cup diced ham, 2-4 ears of corn for 1 1/4 cup corn kernels and reserved cobs and light green leaves
To serve, ladle into bowls, top with a few tables spoons of the final ¼ cup of corn, a handful of microgreens, and scallions. Finish with a swirl of fruity olive oil.
¼ teaspoon ground black pepper, 1 sliced scallion green onion, or a few chives or garlic chives to garnish, Handful of Micro cilantro, basil, micro onion to garnish, optional