Thai Butternut Soup

INGREDIENTS

• 1 teaspoon canola oil
• 1 cup chopped onion
• 2 1/2 teaspoons red curry paste
• 1 1/2 teaspoons minced fresh garlic
• 1 teaspoon minced fresh ginger
• 1 cup fat-free, lower-sodium chicken broth
• 2 teaspoons brown sugar
• 2 (12-ounce) packages frozen pureed butternut squash
• 1 (14-ounce) can light coconut milk
• 1 1/2 teaspoons fish sauce
• 1/4 teaspoon salt
• 1/2 cup chopped unsalted, dry-roasted peanuts
• 1/4 cup cilantro leaves
• 1 lime, cut into 8 wedges