Over the past 12 months the cost of meals prepared outside the home have climbed 3.1%, according to the latest consumer price index. By contrast, the price of groceries has risen less than 1% in the same span[i].

[i] https://www.marketwatch.com/story/eating-out-is-getting-a-lot-more-expensive-than-buying-groceries-and-cooking-at-home-2019-07-11?mod=mw_theo_homepage