Sweet Potato and Spinach Quesadillas
Prep Time: 10 minutes Cook Time: 39 minutes Total Time: 49 minutes Yield: Makes 4 servings (serving size: 1 quesadilla) Ingredients 2 medium sweet potatoes (1 pound total) 1 cup red-wine vinegar 1/2 cup sugar 4 black peppercorns 1 large red onion, sliced 1/4 teaspoon kosher salt 1/4 teaspoon freshly ground black pepper 8 (6-inch) flour tortillas 5 cups baby spinach (about 4 ounces) 1 cup shredded part-skim mozzarella 4 teaspoons olive oil Preparation 1. Microwave potatoes on high until tender (about 15 minutes). 2. Meanwhile, in a medium saucepan, combine vinegar, sugar, and peppercorns; bring to a boil and stir to dissolve sugar. Place onion slices in a medium heatproof bowl; pour hot vinegar mixture over onion and let stand 10 minutes. Drain onion slices and transfer to a plate to cool. 3. Split cooked potatoes open with a...