2 medium sweet potatoes (about 1 1/2 pounds total), peeled
1 tablespoon olive oil
1/2 teaspoon kosher salt
1/4 teaspoon black pepper
Heat grill to medium.
Slice the sweet potatoes on the diagonal, about 1/4 inch thick. Place the sweet potatoes, oil, salt, and pepper in a large bowl; toss. Grill, turning once, until tender, about 7 minutes total.