Most of us throw away the egg shell when using an egg. I will now tell you why and how you should save your egg shells! 90% of egg shells are made up of pure calcium, a valuable mineral that is important for our muscles and bones. We should all reconsider when throwing our egg shells into the trash. Here is how to make the most out of this precious calcium by turning the shells into powder. You will see that you can easily make egg shell powder too!

Supplies

egg shells

water

Step 1: Tools Needed

colander

3 quart saucepan

slotted spoon

sheet pan

blender

Step 2: Rinse Them

Start by rinsing the shells thoroughly in a colander with water.

Step 3: Now Boil Them

Bring water to a boil in the saucepan. Carefully place the egg shells into the boiling water. Be sure the entire shell stays below the surface. Boil for 10 minutes to get rid of bacteria.

Step 4: Onto the Baking Sheet

Using a slotted spoon, remove the egg shells from the boiling water. Shake off any remaining water. Place the egg shells on a baking sheet.

Step 5: Preheat and Bake

Preheat the oven to 400 degrees F. Place the pan of shells in the oven for 15 minutes.

Step 6: They Are Done!

After 15 minutes the shells are lightly browned and crispy.

Step 7: Ready to Blend

Allow the shells to cool. Place them in the blender.

Step 8: Blend Them!

Blend the egg shells in a blender until it reaches a powder consistency. If you prefer, you could blend them in a grinder or you could use a mortar and pestle.

Step 9: Ready!

You have now have made a completely natural calcium source that you can add to your meals. I saw that half of a teaspoon of egg shell powder contains about 400 mg of calcium. You can sprinkle it to use in soups, desserts, sauces or smoothies. The added calcium can help your body and bones stay healthy! It is beneficial that it can save you the money you might spend on calcium supplements. It is also great for the environment since the egg shells will not be trashed. I hope you enjoyed this informative Instructable! You just might want to share this with your family and friends!!!