InstructionsPreheat oven to 350.

To make the dipping sauce, mix the yogurt, sugar, lime juice and lime zest in a small bowl and set aside.

Scrub, peel and thinly slice the sweet potatoes.

In a small bowl, combine salt, cumin, and cinnamon.

Spray a baking sheet with non-fat cooking spray and lay the potatoes out on the sheet. Then spray the potatoes with the non-fat cooking spray.

Gently sprinkle the potatoes with the of spice mixture and bake for 20 minutes.

Flip the potatoes, spray with the non-fat cooking spray, and sprinkle with remaining spice mixture. Place back in the oven and bake for another 15-20 minutes, until potatoes are browned and crisped.