Grate the parmesan cheese for 10 seconds, Speed 8. Set aside.
Add the garlic and butter and oil and cook for 2 minutes, Varoma, Speed 1.
Add the arborio rice to the Thermomix bowl and cook for a further 2 minutes, Varoma, Speed 1.
Add the liquid vegetable stock and cook for 16 minutes, 100 degrees, REVERSE, Speed 1.
Add the lemon juice to taste and mix for 20 seconds, REVERSE, Speed 1.
Pour the risotto into the ThermoServer and allow to thicken for 10 minutes (stir through half of the grated parmesan cheese).
Meanwhile, cook the asparagus, prosciutto and cherry tomatoes in a frying pan or grill pan until the prosciutto is crispy and the asparagus is lightly grilled.
Divide the lemon risotto between the serving bowls and top with the prosciutto, asparagus, cherry tomatoes and remaining parmesan cheese.