Risotto with Garlic and Parmesan without seasoning vegetables

1 (14 1/2 ounce) can low sodium chicken broth , plus water to equal 2-1/2 cups 3 tablespoons olive oil 1 1/4 cups arborio rice (8 ounces) 3 cloves garlic ,[...]

1 ounce butter 1 garlic clove , crushed 9 ounces risotto rice 1 1/2 pints vegetable stock 1/3 cup single cream 2 ounces parmesan cheese , grated fresh basil[...]