Maple Harissa Sweet Potato Gratin with Almond Dukkah recipes

Name: Maple Harissa Sweet Potato Gratin with Almond Dukkah recipes
Ingredients: 3 medium sweet potatoes (2½-3lbs), thinly sliced 1/16th to ⅛th inch thick (preferably with a mandoline or food processor); 3 tablespoon extra virgin olive oil; 2 tablespoons mild harissa; 2 tablespoons pure maple syrup; 1½ teaspoons salt; 2 large cloves garlic, thinly sliced; 3 tablespoons dukkah (recipe below or store-bought); ⅓ cup dry roasted almonds coarsely chopped; 2 tablespoons sesame seeds; 1 tablespoon coriander seeds; 2 teaspoons cumin seeds; 1 teaspoon black peppercorns; ½ teaspoon flaky salt