A Town of Tonawanda woman who went to the grocery store for mayonnaise left as a millionaire, lottery officials said Thursday.

Nellida “Nelly” S. Baez-Alvarado, 44, won a guaranteed prize of at least $1 million on the second of two Win $1,000 A Week for Life scratch-offs she purchased at the Tops on Niagara Street in the City of Tonawanda, officials said. She will receive the $1 million prize in 20 annual payments of $52,000 (net $34,414), and $52,000 a year, for life, after that.

A court officer for the 8th Judicial District, Baez-Alvarado told lottery officials she hit the jackpot on a day like any other.

“It was a typical work day. I went to the store at lunch to pick up some mayonnaise of all things,” she said in a statement issued by New York Lottery. “I did a few other errands before getting to the store and I just ran out of time so instead of mayo, I left the store with some scratch-off tickets and went back to work.”

She also said she felt "full of gratitude" after winning the prize.

“It’s not about materialistic gain," the married mother of two said in the news release. "There’s no greater gift for any parent than to see their children happy. This will make a big difference in their futures.”