remove the backsplash and remove the wall surface between the countertop and the upper cabinets eliminate any visible gap space wall panel or material between the countertop and the upper cabinets extend the upper cabinets vertically downward so they continue in one solid surface from the ceiling all the way down to the countertop the upper cabinets must directly touch the countertop there must be no backsplash no wall no empty space and no separate panel between them only the upper cabinets running continuously from ceiling to countertop keep the original cabinet material finish color and proportions maintain realistic lighting and perspective the final result should look like the upper cabinets were originally designed to span from ceiling to countertop with zero interruption