Red Cabbage Soup

Ingredients

• 2 tablespoons olive oil
• 1 yellow onion, diced ((1½ cups))
• 2 teaspoons minced garlic ((2 large cloves))
• 4 cups thinly sliced red cabbage
• 2 cups diced yellow potatoes
• 1 cup sliced carrots
• 1 cup sliced celery
• 1 tablespoon Dijon mustard
• 1–1¼ teaspoons salt
• ¼ teaspoon ground black pepper
• 1 tablespoon apple cider vinegar
• 6 cups vegetable broth
• 2 tablespoons gluten-free flour
• 2 tablespoons fresh dill, (finely chopped)
• 1 can (15 oz) navy beans, (drained and rinsed)