Ingredients :
2 large sweet potatoes, peeled and cut into fries
2 tablespoons olive oil
1 teaspoon paprika
1/2 teaspoon garlic powder
1/2 teaspoon onion powder
1/2 teaspoon cayenne pepper (optional, for added heat)
Salt and pepper to taste
1 tablespoon cornstarch (optional, for extra crispiness)
Fresh parsley or cilantro for garnish (optional)