I laid the painting in using an earth red watercolor pencil on watercolor paper toned with ochre gouache. The paper is bound in a small, 3x5 sketchbook that's handy to use, easy to carry, and relatively inconspicuous. Using a waterbrush and a small set of colors I washed in the darks. Next came watercolor pencils for the menu lettering and to darken spots on the salt and pepper shakers. After strengthening the transparent washes and adding more points of color here and there plus a few highlights in gouache I used a waterproof pen to add a few strengthening lines and it was done. Took about 20 minutes, and as I looked up our burgers arrived with perfect timing and I could sit back and savor the great view of Lake Union on a sunny summer day.