Homemade Mod Podge - Mod Podge in a Pint Jar (matte) Fill jar half way up with white glue (like Elmers) Then fill jar up with water. Shake Well. This is a 50-50 mixture glue/water. It will have a Matte finish. If you would like a Glossy finish, add 1 TBS of clear varnish. Shake it!