As they had done with Madam Ginoux, Van Gogh and Gauguin had a dual sitting with Madam Roulin, the 37-year-old wife of the postmaster Vincent had painted numerous times.
Here is Gauguin's Madam Roulin (notice his painting Blue Trees in the background).
And here is Vincent's Madam Roulin. According to the author, those onions weren't really outside. Vincent just liked them as a symbol or rebirth.
