Potato, leek, and cheddar soup

INGREDIENTS

• 2 medium size leeks, sliced (up to through part of the green)
• 8 whole green onions, diced
• 1 cup celery
• 3 large potatoes, peeled and cubed
• 1 teaspoon olive oil
• ¼ cup white wine (optional)
• 6 cup vegetable broth (or water)
• ⅓ cup uncooked white rice (quick cooking)
• ½ teaspoon pepper
• 2 tablespoon fresh dill (plus more for garnish)
• ½ pound shredded sharp cheddar cheese