Kohlrabi Mashed Potatoes
The addition of kohlrabi adds a nice sweetness to mashed potatoes. 
2-3 lbs potatoes
2-3 kohlrabi, peeled
½ stick butter
salt and pepper to taste
Boil up potatoes and kohlrabi. When soft, pour off liquid and reserve for later.
Add the half stick of butter and enough of the liquid back into the pot to mash into desired consistency. You may want to food process if the kohlrabi doesn’t mash well.Add salt and pepper to taste.