For the dip, mix sour cream, salad cream and aiwar. Peel the garlic, press through the garlic press and stir into the cream. Season to taste with salt and pepper. Clean and wash the cauliflower and divide into small florets.
Clean and wash the carrots and cut them lengthwise into halves or quarters. Wash and clean the zucchini and cut them diagonally into slices. Peel, wash and halve kohlrabi and cut into large slices. Wash sage, dab dry and remove leaves.
For the dough, beat eggs, beer and flour into a smooth dough. Season with salt and pepper. Pull prepared vegetables and sage through the dough in portions with a fork and deep-fry in hot oil for 3-4 minutes until golden brown.
Drain on kitchen paper. Serve Tempura with the dip.