01 - Melt butter in a large saucepan over medium heat. Add chopped onion and sauté for 3–4 minutes until softened but not browned.
02 - Stir in minced garlic and cook for 1 minute until fragrant.
03 - Add green peas and vegetable stock. Bring to a gentle boil, then reduce heat and simmer for 8–10 minutes until peas are tender.
04 - Remove from heat and stir in chopped mint leaves.
05 - Using a blender or immersion blender, purée the soup until completely smooth.
06 - Return soup to the saucepan, stir in cream, and gently reheat without boiling. Season with salt and pepper to taste.
07 - Ladle into bowls, swirl with additional cream, and garnish with extra mint leaves if desired.