Roasted Purple Sweet Potatoes. You can eat the greens too, good with garlic. This purple sweet potato recipe uses Stokes sweet potatoes that are smashed and roasted … Home » Blog » Roasted Purple Sweet Potato with Balsamic Vinaigrette November 25, 2020 // by Rebecca Huff // Leave a Comment // This post contains affiliate links Facebook 0 Tweet 0 … Prep Time: 10 minutes. They store so nicely. Yield: 6 servings. Been making Total Time: 40 minutes. Cook Time: 30 minutes. When they get about 5-8 inch long I pinch them off and plant them in warm weather.