Add the butter to a pot and melt on medium heat. In the meantime, cut the onion into a fine dice. Add the onion to the butter and sweat for 3-4 minutes.
Add the peas and sauté for a couple of minutes. Aside, warm up the broth and then add it to the peas. Simmer for 7 minutes.
Remove from the heat, pour in the sour cream and mint, and blend until smooth. Let cool completely before serving.
Notes
This recipe serves 4 people as an appetizer, or 2 people as a main course.
The nutritional information provided is made with an online calculator and only meant to be used as a guideline.