Asparagus Tart with Caramelized Onions
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Asparagus Tart with Caramelized Onions


A savory tart with caramelized onions, swiss cheese, and asparagus.
Prep Time45 min Cook Time40 min Total Time85 min Servings8 Nut Free

Ingredients

  • 1 lb asparagus (washed and trimmed)
  • 3 large sweet onions (peeled)
  • 1 package puff pastry dough (thawed)
  • 2 TBLS ghee
  • 1 TBLS honey dijon mustard
  • 1 tsp apple cider vinegar
  • 1/4 cup swiss cheese (grated)
  • egg wash

Sharon's Hint

Try using a pressure cooker to caramelize the onions; takes less time with great results!


Directions

Step 1. 

Slice sweet onions and place in a large heavy bottom saute pan with ghee.


Step 2. 

Cook on medium low heat stirring occasionally until onions are soft and caramelized. This can be made a day in advance.


Step 3. 

To assemble tart, unroll puff pastry and seal seams together making one large rectangle.


Step 4. 

Brush pastry with egg wash and sprinkle with swiss cheese and carmelized onions.


Step 5. 

Lay asparagus over toppings and bake in a 400F oven for 40 min or until pastry is browned and asparagus is fork tender.


Step 6. 

Whisk mustard and vinegar together and drizzle on tart before serving.



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