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Photo of Sweet potato gratin with chocolate wafer topping by WW

Sweet potato gratin with chocolate wafer topping

3
Points® value
Total Time
2 hr 10 min
Prep
20 min
Cook
1 hr 50 min
Serves
12
Difficulty
Easy
It’s time to step away from the usual marshmallow-topped sweet potatoes and try this casserole instead. Let's face it. Marshmallows don't have a ton of flavour, whereas the chocolate wafer cookies add extra flavour and colour and on top of it, a whole lot less sugar. The casserole is seasoned with shallots, garlic, Parmesan, and a pinch of allspice. It takes just 20 minutes to assemble, then you can let your oven do the rest of the work. Serve with roast ham, pork tenderloin, or chicken.

Ingredients

Cooking spray

4 spray(s)

Light butter

2 tbsp(s)

Shallots

1 medium, finely chopped

Garlic

1 clove(s), large, finely chopped

All-purpose flour

¼ cup(s)

Table salt

¾ tsp(s)

Black pepper

¼ tsp(s), or more to taste

Ground allspice

⅛ tsp(s)

Fat-free skim milk

2 cup(s)

Grated Parmesan cheese

¾ cup(s)

Sweet potato

2 pound(s), peeled and cut into 1/8- to 1/4-inch- thick slices

Chocolate wafers

10 item(s), coarsely crushed by hand

Instructions

  1. Preheat oven to 350°F. Coat 11/2-qt baking dish with nonstick spray. In large saucepan, melt butter over low heat. Add shallot and garlic and cook, stirring often, until softened, about 3 minutes. Add flour, salt, 1/4 tsp black pepper, and allspice and whisk until smooth. Gradually whisk in milk. Bring to boil and cook, stirring often, until sauce is thickened, about 2 minutes. Remove from heat. Add cheese and stir until melted. Fold in potatoes.
  2. Transfer to prepared baking dish, spreading out potatoes and sauce evenly. Cover with foil and bake for 45 minutes. Top with wafer cookies. Bake, uncovered, until potatoes are tender, about 20 minutes more. If desired, sprinkle with more black pepper.
  3. Serving size: 1/2 cup

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