Preheat oven to 350 degrees F.
Chop the Onions and then saute them in a pan with 1 tablespoon of butter.
Blend the sun dried tomatoes in a small blender or finely chop them up.
If you got the non crumbled feta, go ahead and crumble your block.
Get a large bowl and beat the eggs a little bit.
Pour everything else (but the butter) in this bowl of eggs.
Beat the mixture with a hand beater or get a really good arm workout in.
Spread the 1 tablespoon of butter onto your baking dish.
Pour the egg mixture in your dish.
Cook dish for about 30-40 minutes. Ovens will vary.