Tomato quiche with balsamic caramelized onions

A simple, but incredibly flavorful tomato quiche is one of the best things you can make with the abundance of end of summer tomatoes that are everywhere right now.

Caramelizing onions

Slow cooking the onions with butter, thyme and salt, covered, over low heat makes sweet and savory onions Splash them with a bit of balsamic vinegar at the end for sweetness and a gorgeous color.

Special equipment you need

You absolutely do not have to make your own pie crust. I know that the idea of making pie crust is intimidating to a lot of people. USE STORE BOUGHT CRUST IF YOU LIKE.

Making the tomato quiche

The cooled onions get layered on the bottom followed by the sliced tomatoes and then the herbs. Pour the egg mixture over everything and bake it up.

You end up with a perfectly cooked gorgeous and delicious summer tomato quiche with the surprise balsamic caramelized onions on the bottom.

Why you'll love this recipe

– It is super easy to make.  – It is a super adaptable.  – It's a dish you can eat any time of day.  – It can totally be made ahead. 

Top tip

This tomato quiche recipe works best with heavy cream. The water content in milk to higher and results in a watery egg base that doesn't have that thick velvety texture that makes quiche so irresistible.