Onion Sauce

I believe I invented a recipe yesterday. It 's a recipe for onion sauce. Before I got round to inventing it I looked at other people's recipes online- and they were all either too fussy or I didn't have the ingredients- and one of them caused the computer to freeze. So, having acquired an overview of the subject, I marched off to the kitchen and did this:

Chopped up two onions
Cooked them in a sufficient amount of butter until soft and translucent
Added plenty of salt and black pepper
Stirred in about four tablespoons of plain yoghurt
Mashed it all up in a blender.

And then ate it with roast lamb.