Begin by peeling the purple sweet potatoes and cutting them into large cubes.
Place the cubes in a medium-sized pot, covering them with cold water.
Bring to a boil, then reduce heat and simmer for 10-15 minutes until tender.
In a separate pan, melt the butter over medium heat until browned, then mix in the sesame oil.
Reserve a scoop of the potato cooking water, then drain the potatoes.
Add most of the brown butter (saving some for garnish), milk, and salt to the potatoes, mashing them until creamy. Gradually stir in the reserved cooking water for extra creaminess.
Serve with the remaining brown butter drizzled on top and garnish with toasted sesame seeds and cilantro.
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Purple sweet potatoes are a variety of sweet potato with vibrant purple flesh. They come in different types, including Okinawan, Stokes, and Molokai purple sweet potatoes, all perfect for making purple sweet potato mash. Unlike some purple potatoes with white flesh (called red sweet potatoes), these have a flashy purple color throughout.
Purple sweet potatoes taste similar to the more common orange variety. They are sweet and starchy, with both the skin and the inside being edible. Their taste profile blends well with a variety of flavors, making them versatile for different recipes