Creamy Kohlrabi Salad

Ingredients
1 pound( 400 gms) kohlrabi globes, each about 2 inches across 
3 scallions,finely chopped
1 tbsp finely chopped red onion 
1/4 cup ricotta cheese or fresh cottage cheese
2 tbsp mayonnaise 
1 tsp coarse mustard

Method
Cut kohlrabi into quarters and steam, covered, over boiling water until tender, 25 minutes. 
When kohlrabi are cool enough to handle, remove the skins with your fingers. Place kohlrabi in a medium bowl with scallions and onion. 
In a food processor or blender, combine ricotta, mayonnaise, and mustard and process just until creamy. Pour ricotta mixture over kohlrabi mixture and toss well to combine. Serve warm or at room temperature.