Simple Four Ingredient Onion Tart

Simple Four Ingredient Onion Tart


Servings 6
Time Needed Prep
Ingredients 5
Difficulty Easy

Rating (click to rate)

4.7 based on 3 ratings.


  • 90 g Butter
  • 3 Eggs
  • 1kg White Onions, Peeled And Sliced
  • 150 ml Sour Cream
  • 1 Shortcrust Pastry Base

Nutrition Information

Qty per
114g serve
Qty per
Energy 5208cal 4573cal
Protein 0g 0g
Fat (total) 114g 100g
 - saturated 22g 20g
Carbohydrate 0.24g 0.21g
 - sugars 0.18g 0.16g
Dietary Fibre 0g 0g
Sodium 0.1mg 0.09mg

Nutritional information does not include the following ingredients: Butter, Sour cream

Please Note - Nutritional information is provided as a guide only and may not be accurate.

Simple Four Ingredient Onion Tart

This delicious onion tart is perfect for morning tea or a light lunch with salad. It would also make a really lovely picnic dish!  It’s really quick and simple.

Of course, you can make your own shortcrust pastry for your onion tart if you so wish!


  1. Melt the butter in a large pan.

  2. Add the sliced onions and simmer gently until they are soft but not browned.

  3. Set aside to cool.

  4. In a large bowl, beat the eggs and add the sour cream.

  5. Add the cooled onions to this mixture.

  6. Line a pie tin with shortcrust pastry (or use a pre-made case) and pour the mixture on top.

  7. Bake at 180 degrees for 45 minutes or until the middle is set. Can be served hot or cold.

Recipe Hints and Tips:

  • Diced bacon can also be added on top of the mixture before it goes into the oven.
  • Onion Tart is not suitable for freezing.
  • For a recipe for Shortcrust Pastry - Click Here!

Simple Four Ingredient Onion Tart | Stay at Home Mum

About Author

Jody Allen

Jody Allen Founder/Chief Content Editor Jody is the founder and essence of Stay at Home Mum. An insatiable appetite for reading from a very young age...Read More had Jody harbouring dreams of being a published author since primary school. That deep-seeded need to write found its way to the public eye in 2011 with the launch of SAHM. Fast forward 4 years and a few thousand articles Jody has fulfilled her dream of being published in print. With the 2014 launch of Once a Month Cooking and 2015's Live Well on Less, thanks to Penguin Random House, Jody shows no signs of slowing down. The master of true native content, Jody lives and experiences first hand every word of advertorial she pens. Mum to two magnificent boys and wife to her beloved Brendan; Jody's voice is a sure fire winner when you need to talk to Mums. Read Less

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