curried apple and pear soup

Ingredients

• 2 tablespoons olive oil
• 1 large onion,chopped
• 2 medium carrots, chopped
• 1 - rib celery,chopped
• 2 teaspoons sugar
• 2 teaspoons mild or hot curry powder
• 1/2 teaspoon ground cumin
• 1/2 teaspoon salt
• 2 - pears, peeled, cored,and coarsely chopped
• 2 - granny smith apples, peeled, cored, and coarsley chopped
• 2 cups low-sodium vegetable broth
• 2 cups water
• 1/2 cup fat-free greek yogurt
• 1/2 cup sliced almonds, toasted