Celeriac Salad

1 small celeriac
2-3 large carrots
2 small apples
1/4 c. mayonnaise
1/4 c. sour cream
3 TB lemon juice
salt, pepper to taste

Peel and grate celeriac, apples and carrots. Toss with lemon juice. Mix together sour cream, mayonnaise, salt and pepper, toss with salad.