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Onion and Jarlsberg Tart

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Onion and Jarlsberg Tart is a simple Norwegian-inspired dish with flaky puff pastry and fresh thyme. 
Prep Time:40 minutes
Cook Time:20 minutes
Total Time:1 hour

Equipment

  • Rolling Pin

Ingredients

  • 4 tablespoons unsalted butter
  • 2 pounds mixed onions, peeled and sliced ½-inch thick
  • 1 large shallot, peeled and sliced
  • 2 bay leaves
  • 1 teaspoon whole black peppercorns
  • ½ teaspoon ground cloves
  • Sea salt, to taste
  • 1 sheet puff pastry, thawed if frozen
  • 2 cups grated Jarlsberg cheese
  • Fresh thyme

Instructions

  • Melt the butter in a heavy saute pan or dutch oven over medium heat.
  • Add the onion, shallots, bay leaves, peppercorns, cloves, and sea salt.
  • Cook onion mixture over medium-low heat until onions are softened and starting to caramelize (15-20 minutes). Cool to room temperature.
  • Preheat oven to 400° Fahrenheit.
  • Roll out puff pastry to fit a medium-sized baking dish, so that the sides will overlap slightly.
  • Add the onion filling to the puff pastry crust in an even layer.
  • Top with the grated cheese and about 2 teaspoons of fresh thyme leaves.
  • Bake for 15-20 minutes until the cheese is bubbly and the crust is puffed and golden brown.
  • Cool the tart slightly before serving with additional fresh thyme.

Notes

  • For variety, try adding a cup of sliced mushrooms or a few strips of chopped, cooked bacon to the filling when the onions have almost finished cooking.
  • Gruyere, gouda, parmesan, or fresh goat cheese would also be nice additions to the Jarlsberg.
  • Try pairing the tart with a medium-bodied red wine, such as a Pinot Noir from Oregon.
Course: Appetizer, Breakfast, Brunch, Fika, Holiday, lunch, Main Course, Side Dish, Snack
Cuisine: Norwegian, Scandinavian
Keyword: Onion Jarlsberg Tart
Servings: 8