Minted Pea Soup - Diet.com

Ingredients

• 1 teaspoon olive oil
• 1 small sweet onion (i.e. Walla Walla or Vidalia), chopped
• 1 potato, peeled and cut into 1/2-inch cubes
• 1/2 teaspoon salt
• 3 1/2 cups water
• 1 lb frozen peas, thawed
• Low-fat plain yogurt
• Fresh mint, minced
• Salt and pepper to taste