The following blog posts include coloring book pages that you can download. There might be more than one per page.
Coloring pages introduction
Cholaca Chocolate Ice Cream
Blender-Enabled Muffins
Vanilla Ice Cream
Sous Vide Roast Beef & Dulce de Leche
Shrimp Fried Rice
Or, you can browse through all the pages with the label Coloring Pages.