Wild Rice and Mushroom Soup

Deselect All

3 tablespoons olive oil

1 tablespoon salted butter 

1 cup finely chopped onion (about 1 medium) 

3/4 cup finely chopped carrots (about 3 medium)

2 cups (about 12 ounces) fresh cremini mushrooms, quartered 

1 cup wild rice 

2 garlic cloves, minced 

6 cups chicken stock, plus more as needed 

1 bunch kale, stemmed and cut into bite-size pieces 

1 kohlrabi, peeled and sliced into 1/4-inch half-moons 

Salt and freshly ground black pepper