As a Dutch person, I find it hard to believe your cooking is cheaper than a piece of bread with some cheese on it. Better tasing, for sure though.
1. Cooking causes awe in Dutch people 2. Eating healthy is cheaper that eating out, and easier that many may think.
BTW, you Dutch guys should stop putting butter on everything, eating hagelslag by the ton, and drinking yogurt instead of water. It might be cheap, but terribly unhealthy :).