For a richer flavor, try using Gruyere or Parmesan cheese instead of mozzarella. Add a sprig of fresh thyme or rosemary to the onion mixture for an herbaceous note. These tartlets can be made ahead of time and reheated before serving. Store in an airtight container in the refrigerator for up to 3 days. If you don't have a cookie cutter, you can use a knife to cut the pie crust into squares or other shapes.
Caramelized Onion Tartlets
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PREP TIME15 mins
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COOK TIME30 mins
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TOTAL TIME55 mins
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SERVING12 People
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VIEWS6
Delight in these exquisite caramelized onion tartlets, bite-sized morsels bursting with sweet and savory flavors. A perfect appetizer or snack, these tarts are sure to impress with their elegant presentation and irresistible taste.
Ingridients
Adjust Servings
Nutrition
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Carbohydrate19 g
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Cholesterol25 mg
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Fiber1 g
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Protein3 g
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Saturated Fat8 g
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Sodium231 mg
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Sugar3 g
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Fat19 g
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Unsaturated Fat0 g
Follow The Directions
01
StepPreheat the oven to 375 degrees F (190 degrees C). (Prep time: 5 minutes)
02
StepMelt butter in a skillet over medium heat. Add chopped onion and cook, stirring occasionally, until softened and translucent, about 8-10 minutes.
03
StepPour in red wine to deglaze the pan, scraping up any browned bits from the bottom. Sprinkle with sugar and continue to cook, stirring occasionally, until onions are deeply caramelized and jammy, about 10-15 minutes.
04
StepIn a separate bowl, combine heavy cream, mozzarella cheese, cayenne pepper, salt, and black pepper. Stir well to combine.
05
StepStir the cream mixture into the caramelized onion mixture and cook for another 2-3 minutes until slightly thickened.
06
StepCut pie crusts into 3-inch circles using a cookie cutter. Gently press each circle into the bottom of 12 muffin cups in a muffin tin.
07
StepSpoon the onion mixture evenly into the tart crusts, filling each one to the top.
08
StepBake in the preheated oven until the crusts are golden brown and the filling is set, about 18-22 minutes. Let cool in the muffin tin for 10 minutes before carefully popping the tartlets out.
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RECIPE REVIEWS
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Antonina Hoppefarrell
Jul 1, 2025My crusts didn't get as golden brown as I wanted, so I baked them for a few extra minutes.
Coby Simonis
Jun 30, 2025Next time, I'm going to try adding some crumbled goat cheese on top.
Clementine Lynch
Jun 30, 2025I made these for a potluck, and they were gone in minutes!
Jade Kassulke
Jun 29, 2025These were a hit at my party! Everyone loved the sweet and savory combination.
Lawson Tremblay
Jun 29, 2025I added a sprinkle of thyme to the onion mixture, and it was amazing!
Jerome Terry
Jun 29, 2025These are so easy to make and so delicious! I'll definitely be making them again.
Lucienne Turcotte
Jun 29, 2025I used a food processor to chop the onions, which saved me a lot of time.