(CNN) Housing and Urban Development Secretary Ben Carson and Democratic Rep. Katie Porter are butting heads again, continuing their feud over -- at least on the surface -- cookies.

During his testimony before the House Financial Services Committee last month, Carson appeared to think that Porter was questioning him about Oreo cookies when the California Democrat was actually asking about real estate owned properties -- or REOs, properties that fail to sell at foreclosure auctions. In an interview clip with ABC News that aired Wednesday, Carson resurfaced the dispute, accusing Porter of pulling a political stunt in her response to his flub.

"It's silly, you know, when we engage in, 'ha, gotcha' stuff, when we have such big policy issues to deal with, and that's what I want to talk about," Carson said.

I asked @SecretaryCarson about REOs - a basic term related to foreclosure - at a hearing today. He thought I was referring to a chocolate sandwich cookie. No, really. pic.twitter.com/cYekJAkRag — Rep. Katie Porter (@RepKatiePorter) May 21, 2019

During the May testimony, Porter said to Carson: "I'd also like you to get back to me if you don't mind to explain the disparity in REO rates. Do you know what an REO is?"

Carson replied, "An Oreo?"

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