If you have success with these noodles, use the recipe as a jumping off point for other flavors.
You can, of course, substitute other liquids, or use yellow (or orange) beets. If you have success with these noodles, use the recipe as a jumping off point for other flavors. The ratio of eggs to flour in this recipe is slightly different - you can use that, or the one I’m highlighting here. The ideas is the same, swap in strong juice for water in the recipe.