Put the oil in a saucepan and let it get hot. Now add the lemon peel and garlic and 1 tablespoon of tomato paste. Sear while stirring constantly.
Now add the rice and stir in briefly. Deglaze with the white wine and 1 teaspoon of balsamic vinegar. Add the lemon juice.
When the liquids have almost boiled down, add half of the broth and a tablespoon of tomato paste.
Simmer on medium heat, in between stir in the rest of the broth and the remaining 3 tablespoons of tomato paste. Also add 2 more teaspoons of balsamic vinegar.
After 20 minutes stir in the remaining tablespoons of balsamic vinegar and add the parmesan, butter and basil. Mix everything well again.
Decorate with a few leaves of basil and serve.
Tip: If you want, you can also add a few peeled tomato pieces.