We have the power to elevate our food.

My daughter asked a very good questions today. "What gives these fruits and vegetables the zechus to be part of our Shabbos Seudah"  We stopped at a Mennonite Farm and bought a bunch of food for our Shabbos meal.  There only officially sell corn but we asked if they had any other vegetables for sale.  The farmer's wife said that they had such a good crop they could sell us some other things.   She took us to her field and allowed us to pick onions, potatoes, beets, tomatoes and corn. Suddenly, instead of being eaten in a traif kitchen they were elevated to have a bracha made on them and eaten as part of a seudah.