A breakfast bar is an extended worktop that is typically used for cooking, eating informally, or as extra seating in the kitchen.

Source: https://londonlovesbusiness.com/kitchen-breakfast-bar-advantages-and-considerations-before-getting-one-for-your-home/

Hoad then dragged her into the kitchen, slammed her against a worktop and stabbed her multiple times in the head and neck before fleeing to a road in the Small Heath area of the city, where he had stayed the previous night.

Source: https://www.mirror.co.uk/news/uk-news/killers-seven-chilling-words-999-31739938

Lay a large (about 40cm) sheet of baking paper on the worktop.

Source: https://www.dailymail.co.uk/home/you/article-12694679/Dolce-Delights-Irresistible-Italian-treats-Bake-Offs-GIUSEPPE-DELLANNO.html?ns_mchannel=rss&ns_campaign=1490&ito=1490