
If you have approximately 45 minutes to spend in the kitchen, Tantalizing White Onion & Tuna Tart might be an excellent pescatarian recipe to try. One serving contains 797 calories, 28g of protein, and 56g of fat. This recipe serves 6. For $2.83 per serving, this recipe covers 22% of your daily requirements of vitamins and minerals. 2 people were impressed by this recipe. It is brought to you by Foodista. Head to the store and pick up salt and pepper, mildly fish fillets, onions, and a few other things to make it today. Overall, this recipe earns a pretty good spoonacular score of 49%. If you like this recipe, you might also like recipes such as Grilled Tuna with White Bean and Charred Onion Salad, Tongue Tantalizing Barbecue Pork, and Tantalizing Fruit Bite Appetizers.
Ingredients

ready-made frozen puff pastry, thawed according to instructions
2 sheets of ready-made frozen puff pastry, thawed according to instructions

generous tbsp butter
2 generous tbsp butter

white onions, peeled, halved, and sliced thinly
3 large white onions, peeled, halved, and sliced thinly

eggs
3 large eggs

cream
1 cup cream

salt and freshly ground black pepper to taste
salt and freshly ground black pepper to taste

pinch of freshly ground nutmeg
pinch of freshly ground nutmeg

fresh ground mild flavored cheese, such as gruyere, asiago, or mild cheddar
1/2 cup fresh ground mild flavored cheese, such as gruyere, asiago, or mild cheddar

mildly flavored fish fillets, I used wild tuna, cut into 1/2″ thick chunks
1 lbs of mildly flavored fish fillets, I used wild tuna, cut into 1/2″ thick chunks