Jam crumble bars

Method

1. Start. Rub butter into sugar, flour, oats, and salt to make clumps.Watch for: Apply a thin, even coat and keep it off cut edges or seams unless the step says otherwise.
2. Then. Press two-thirds firmly into an 8-inch lined pan; spread jam, leaving a border.Watch for: Work deliberately and stop as soon as the described texture is reached; the endpoint matters more than the clock.
3. Finish. Scatter remaining crumbs and bake 32–38 minutes.Watch for: Begin checking at the early end of the range; use the stated color, movement, or internal-temperature cue rather than time alone.