Split Pea Soup

Ingredients

• 2 cups dried green split peas (1 lb.), rinsed
• 1 ham bone or ham hock (about 1 lb.; see note at above)
• 1/2 cup chopped celery
• 1/2 cup chopped onion
• 1/2 cup diced carrots
• 1 dried bay leaf
• 1/4 teaspoon dried thyme
• About 1/2 teaspoon each salt and pepper