Peppery kohlrabi slaw

Name: Peppery kohlrabi slaw
Prep time: 25 min
Total time: 25 min
Cuisine: American
Ingredients: 2 whole kohlrabi peeled; head of spring greens finely shredded; 2 bunches spring onions very finely shredded; small bunch French breakfast radishes quartered, leaves attached; juice 0.5 lemon; 175g mayonnaise; 50g grated horseradish fresh or from a jar; 2 heaped tsp cracked black pepper