Onion tartlets

Two people I hold very dear will be turning away at the blog upon seeing this recipe: my brother JP and my good friend C. - they hate onions with every fiber of their beings! :D

I’m not a fan of raw onions, but love them cooked or roasted. In these tartlets the onion slices are cooked in butter for a good while and after being mixed with the other filling ingredients and baked they became