You can eat the greens too, good with garlic. They store so nicely. Prep Time: 10 minutes. Total Time: 40 minutes. Yield: 6 servings. Cook Time: 30 minutes. Roasted Purple Sweet Potatoes. Been making 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 … When they get about 5-8 inch long I pinch them off and plant them in warm weather.