Place a small non-stick, thick-based heavy frying pan, about 23cm/9in ... Press the batter down and sprinkle over the chocolate chips. Now leave on a low heat for 15–20 minutes.

Chocolate Chip Banana Bread is incredibly soft and tender, loaded with gooey chocolate chips that stay perfectly distributed ...

There are a variety of dessert bars that could work well using a relatively small jelly roll pan, from lemon bars to chocolate chip cookie bars (perhaps with a bit of cake flour added).