Asparagus Leek Soup

Ingredients

• 3 large leeks, sliced into 1/2-inch pieces
• 1 large onion, chopped
• 3 tablespoons butter
• 4 medium potatoes, peeled and diced
• 3 medium carrots, thinly sliced
• 1 teaspoon salt
• 2-1/2 quarts chicken broth
• 1/2 cup uncooked long grain rice
• 1 pound fresh asparagus, but into 1-inch pieces
• 1/2 pound fresh spinach, chopped into 1/2-inch pieces
• 1/4 teaspoon pepper
• 1 cup heavy whipping cream