How to make it

1. In saucepan of boiling water, cook sweet potatoes, covered, for about 15 minutes or until tender.
2. Drain and transfer to large bowl.
3. Mash with butter and salt until smooth.
4. Fold in 1/4 cup (50 mL) of the chopped pecans.
5. Spread one‑third of the Tostitos Cantina^® Extra Thin tortilla chips in lightly greased large rimmed baking sheet.
6. Top with one‑third each of sweet potato mixture, marshmallows and pecans; repeat layers twice.
7. Bake in preheated 375°F (190°C) oven for about 10 minutes or until golden.
8. Let stand for 5 minutes before serving.