Home & Garden Home Make Your Own Mud Oven By Justin Thomas specialized in reviewing products and techniques for Treehugger from 2004-2008. He is the editor of MetaEfficient, a guide to efficient living. our editorial process Justin Thomas Updated October 11, 2018 Migrated Image Share Twitter Pinterest Email Home DIY Pest Control Natural Cleaning Family Green Living Thrift & Minimalism Sustainable Eating Here's a way to have pizzas and loaves baked in your backyard. You can build your own mud oven — they are surprisingly easy to make. The main ingredients are sand, clay and water. Here are some instructions for constructing the mud oven seen above. See these step-by-step photos: Part 2. Here are some tips on make your oven more efficient. Here's a book on building an earth oven. Thanks to Kathreen and Rob for the tip.