Quick and Easy: White Onion Tuna Tart
By: Amy Jeanroy
Published: April 30, 2013

Tarts are not just for desserts. Enjoy the savory combination of tuna and white onions, for a light lunch or add a salad for a quick weeknight dinner. Make this recipe ahead and reheat if desired. We love it at room temp. 
White Onion and Tuna Tart
 
2 sheets of ready-made frozen puff pastry, thawed according to instructions
2 generous tbsp butter
3 large white onions, peeled, halved, and sliced thinly
3 large eggs
1 cup cream
salt and freshly ground black pepper to taste
pinch of freshly ground nutmeg
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