INGREDIENTS
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Cooking spray
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1 pound elbow macaroni
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2 (10-ounce) packages frozen pureed winter squash
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2 cups 1 percent lowfat milk
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4 ounces extra-sharp Cheddar, grated (about 1 1/3 cups)
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2 ounces Monterrey jack cheese, grated (about 2/3 cup)
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1/2 cup part-skim ricotta cheese
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1 teaspoon salt
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1 teaspoon powdered mustard
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1/8 teaspoon cayenne pepper
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2 tablespoons unseasoned bread crumbs
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2 tablespoons grated Parmesan
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1 teaspoon olive oil