"Loaded with nutrients, this rich-sounding dish contains under 300 calories a serving. Great as a side dish or even as a main course...."
INGREDIENTS
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1 sheet frozen puff pastry dough (from a 17.3 ounce package) thawed according to package directions without unfolding.
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1 medium onion thinly sliced
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2 Tablespoons olive oil
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1- 8 ounce packages small white mushrooms, sliced
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1-8 ounce package mini portabella mushrooms, sliced
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1 package (6-10 ounces) fresh baby spinach
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1/2 package (3.5 ounces) crumbled reduced fat feta cheese or goat cheese
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Flour for rolling out dough
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Salt and pepper to taste.