INGREDIENTS
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2 1/2 lbs peeled and cubed butternut squash
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1 tbsp olive oil
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2 cloves garlic, crushed
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1/3 cup finely chopped walnuts
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2 tbsp unsalted butter
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1 1/2 tbsp flour (substitute 1 tbsp potato starch for gluten free)
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1/2 tsp salt (or more to taste)
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1/4 tsp black pepper
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1 1/4 cups lowfat milk
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3/4 cup shredded Gruyère cheese, tightly packed
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Pinch of nutmeg
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2 qt gratin dish or 8x8 inch square baking dish