For the risotto, first weigh and prepare all the ingredients. Peel and finely chop the onions.
Melt the butter in a pot, add the onions and sauté until translucent. Now add the rice, sauté briefly together with the onions and deglaze with the white wine. Reduce the wine briefly and season the rice with salt and pepper. During the boiling down, stir the risotto regularly.
Once most of the wine has been absorbed by the rice, gradually add enough soup to cover the rice. Repeat this process until the rice is soft and the soup has been used up. In the meantime, keep stirring vigorously.
Just before the end of the cooking time, add the grated Parmesan cheese and, if desired, a piece of butter, mix well and serve the risotto.
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