Fresh Mozzarella and Roasted Kohlrabi Crostini with Crispy Lemons and Shallots

Name: Fresh Mozzarella and Roasted Kohlrabi Crostini with Crispy Lemons and Shallots
Ingredients: Roasted Kohlrabi and Crostini; 2-3 medium kohlrabi, stems, leaves, and fibrous root ends removed; extra virgin olive oil, for rubbing; 1/2 sourdough baguette, sliced into 12 1/2 rounds; Herb Paste, Toppings, and Assembly; 1 lemon, cut into 1/8 slices; 2 tablespoons confectioners' sugar for dredging; 2 shallots, sliced thinly; olive oil for frying; toasted crostini rounds; 1 large garlic clove, for rubbing; 8 leaves fresh basil; 8 leaves fresh rosemary; 4 sprigs fresh parsley, stems removed; 2 sprigs fresh thyme; pinch of sea salt; 1 tablespoon extra virgin olive oil for forming paste, plus more for drizzling; 12 kalamata olives, pitted and sliced thinly lengthwise; 2-3 roasted kohlrabi, sliced 1/4 thick; 8 ounces ball fresh mozzarella, sliced into 1/4 thick rounds