Split Pea Soup

Ingredients

• 1 small onion, diced
• 1 tablespoon vegetable oil
• 4 cups water
• 1 (14 1/2 ounce) can chicken broth
• 1 1/2 cups dried split peas, rinsed
• 1 cup cubed fully cooked ham
• 3 bay leaves
• 1 1/2 teaspoons salt
• 1/2 teaspoon dried rosemary
• 1/4 teaspoon dried thyme
• 1/4 teaspoon pepper