Ham Split Pea Soup

Ingredients

• 1 tablespoon oil
• 1 onion, diced
• 2 carrots, diced
• 2 stalks celery, diced
• 2 cloves garlic, choppe
• 1 teaspoon thyme, chopped
• 6 cups chicken or vegetable broth
• 1 pound split peas, picked over
• 1 bone-in half ham
• 2 bay leaves
• salt, pepper and cayenne pepper to taste
• 1 tablespoon grainy mustard
• 1 tablespoon lemon juice