I used linkable LED "tubes", eg:
LEDBRITE® — Premium LED Lighting. ©2025 LEDBRITE. ✔️Linkable LED Striplight : connect multiple fittings together for seamless under-cabinet or worktop lighting, perfect for kitchens, offices, or utility spaces.
www.ebay.co.uk
They are pretty generic and assume they are much of a muchness. Cooker hood was the nearest power source, did require drilling some holes in the hood where it meets the cabinets either side, but it's all hidden away and means the cooker hood light button controls the cabinet lights, which is exactly what we wanted.