Pressure Cooker White Bean Soup with Crispy Sausage and Kale

Name: Pressure Cooker White Bean Soup with Crispy Sausage and Kale
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: American
Ingredients: 12 oz. Andouille sausage (sliced); 1 Tbsp. olive oil; 1 lb. dried great northern beans (soaked overnight); 2 Tbsp. white wine vinegar; 1/2 cup yellow onion (diced); 1/4 cup carrots (sliced); 1/4 cup celery (diced); 1 Tbsp. fresh thyme leaves; 1 bay leaf; 6 cups chicken broth; 1 smoked ham hock; 15 oz. canned tomatoes (petite diced, drained); 8 oz. kale (de-ribbed, roughly torn); 1 Tbsp. sea salt; 1/2 tsp. black pepper