Carmelized Onion Tart

This is a delicious onion tart. Not quite paleo with the dairy, but great for breakfast, lunch or dinner!

Blog oniontart1 Blog oniontart2


  • 3 onions
  • 2 Tbsp butter
  • 5 eggs
  • 1/2 cup heavy cream, half’n’half, milk or plain Greek yogurt
  • 1 cup Swiss or cheddar cheese, shredded


  • Melt butter in large frying pan
  • Thinly slice onions by running them through the food processor on the slicer blade (takes <60 seconds)
  • Saute onions in butter for 30 mins on medium heat, stirring once in a while, until onions are translucent, soft, and started to brown and caramelize
  • If they have not started to brown, turn up heat and caramelize them a bit, stirring so as not to let them burn
  • While onions are cooking, whisk eggs and milk or yogurt
  • Cover glass pie pan with cooking spray, add onions, cheese, and pour egg/milk mixture evenly over it
  • Bake for 30 minutes on 350* or until golden brown around edges, bubbly and hot
  • Serve warm, great paired with soup and salad!


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