In a large pot, melt butter. While the butter melts cut your leeks and garlic. Sweat the garlic, leeks and salt on medium low heat until the leaks are translucent (10minutes). Stir often to ensure the leaks don’t brown. And that the Garlic doesn't burn.
Add 4 cups of water and bring to a simmer. Once simmering add the peas and thyme. Cook for another 8-10 minutes or until the peas are tender.
Emulsify in a blender and add one teaspoon of butter while blending to thicken the soup. You can also add the coconut milk once you return it to the pot. To keep the soup vegan but still creamy skip the butter but add the coconut milk.
Optional Step: To preserve color and serve cold as a summer soup transfer to an ice bath after step three and stir in coconut milk and lemon juice.
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Notes
Optional Step: To preserve color and serve cold as a summer soup transfer to an ice bath after step three and stir in coconut milk and lemon juice.