You can fill in shadows with an extra light source like the fill light a photographer might use.
Postiion of lighting to stop shadows on wall.
If possible try to position your leds behind a lip in order to hide the led light source.
Diffuse light by using lighting umbrellas and reflectors or by placing a soft box around each of your lamps.
Via justin brown primal video on youtube.
Diffuse the light minimize shadows by diffusing or spreading out the light.
Don t position your led tape too close to a wall or else you may see lighting dotting.
In a flat ceilinged kitchen recessed lights would be located so the center of the beam is around the front edge of the counter and the light reaches to the back.
By increasing the range of a light source you decrease its strength.
As the shadow edges become less visible and the overall shadow more blurry with softer light you could use softer light.
A myth about lighting and shadows is that you can make them go away using more light sources this isn t true.
Change your lighting style position.
More light sources more shadows.
In your case you ll want to make sure that the counter is lit and the light isn t coming from behind the person at the counter creating shadows.
Avoid placing your lighting directly above you as this can cause some dark and distracting shadows that draw attention away from your face.
The basics of shadows.
There are two potential problems with this.
Be careful of the floor surface that the lights are going to fall on.
Try to get the shadows to go downward butterfly lighting and minimize the shadow that reaches the wall.
Straight on lighting is best especially if you have a window with natural light on your side to fill out your shadows.