A Costco store in Richmond, California.Justin Sullivan/Getty ImagesCostco said it's seeing a boost in meat and produce sales.Costco's finance chief said in the Q1 2025 earnings call that there was a shift toward "food at home."The retailer posted strong growth this quarter, with sales increasing 7.5% from the year before.Americans are swapping dinners out for nights in, Costco said in its 2025 first-quarter results."I would say that we are seeing what we think is a little bit of a shift from food away from home to food at home," Costco's finance chief, Gary Millerchip, said in the company's Q1 2025 earnings call on Thursday.He said the trend was "certainly reflected in strong meat and produce sales."Customers showed a "gravitation towards those lower price per pound items across categories like poultry cuts of beef and pork as well," he said.He added that international food items, such as "Synear pork soup dumplings, Sona Masoori Rice, and Hot Pot Beef Sliced Rolls," were also seeing "strong momentum."The wholesale chain, which operates on a membership model, reported a strong quarter.