Garden Chef Megan McCarthy on the weekend of October 9 was: Is a yam the same thing as a sweet potato?
Answer: No. They are from different families. The sweet potato is from the Morning Glory family and originally hails from Central America. The true yam is the tuber of a tropical vine and originally hails from Africa.
There are two dominant types of sweet potato: one has a thin, light yellow skin with pale yellow flesh which is not sweet and has a dry texture, similar to a white baking potato; the other has darker, orange to reddish skin (often called "yam" in error) with a vivid orange, sweet flesh and a moist texture. There are over 200 different varietals of sweet potato in the world. In this recipe, Garden Chef Megan uses four varietals (including ‘Porto Rico’ and ‘Nancy Hall’ from the Edible Garden) for an assortment of color, texture, and taste.
Grilled Sweet Potatoes with Cilantro Vinaigrette
4 medium sweet potatoes
1/4 cup fresh lime juice
1/2 tsp sea salt
1/4 tsp ground black pepper
1/4 cup extra virgin olive oil
1/4 cup fresh cilantro, chopped
Wash and wedge cut sweet potatoes lengthwise, leaving skins on. In large pot, cover sweet potatoes with cold, salted water and bring to a boil. Simmer for 5 minutes until potatoes are softened. Drain and rinse with cold water. Lightly coat grill or grill pan with cooking spray and heat to medium-high. Arrange sweet potato wedges on grill pan and cook until grill lines appear before turning on next side of wedge.
Whisk together lime juice, salt, and pepper and slowly add olive oil. Stir in cilantro and season to taste. Arrange grilled sweet potatoes on platter and drizzle with cilantro vinaigrette to serve.
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