Creating Your Own Wonder Oven

Living outside of the U.S. makes many items unaffordable. So when a friend told me about the wondrous Wonderbag she had, my excitement was soon deflated after seeing the price tag and shipping costs. Why not make one? What a great idea! After looking around online I decided on making my own pattern. It does take a lot of fabric, but in the end it is a lot cheaper than buying one online.

Materials needed:
Fabric for outside of bag 22” by 79”
Fabric for inside of bag 30” by 79”
Matching thread
Drawstring-Parachord 64”
Foam stuffing
Fleece, blanket or thick lining 22” by 79”

½ inch seam allowance

Instructions:
1. Iron the fabric.
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2. Measure and cut outside bag fabric 22” by 79”.
3. Measure and cut inside bag fabric 30” by 79”.
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4. Cut the blanket or thick lining the same as the outside bag fabric, 22” by 79”.
Lay out the thick lining or blanket first. On top of this, right side of fabric up,
place the outside fabric. Wrong sides together.
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5. On top of the outside fabric place the inside fabric right side down.
(Right sides together) Matching bottom edges.
Pie

6. Pin together all three layers and sew bottom edge with a half inch seam allowance.
Cake

7. Measure an inch and a half from the bottom seam of the outside fabric,
exposing the inside fabric on the bottom edge.
Cookies

8. Pin and sew where fabrics meet, creating a canal for the bottom drawstring.
Leave about 2” opening on each side.
Bread

Brownies

9. Lay outside of bag facing up. Decide where the opening for the drawstring will be.
10. Fold over inside of bag fabric to outside. Fold under 3/4” on bottom. Mark off where the buttonhole will go. I just placed an extra piece of material underneath for added strength to the buttonhole.
11. Sew buttonhole for drawstring.
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12. Measure 13 ¼”  from raw edge and pin straight line to top of outside fabric.
Continue making 13” pockets across the width of the fabric, pinning through all three layers.
Carefully sew to top of outside fabric raw edge.
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Bars

13. Pin right sides of raw edges of fabric together opening up bottom edge
of canal and matching seams. Sew a 1/2” seam allowance.
14. Zig Zag edge.
15. Turn bag right side out. Arranging it so it looks like a big tunnel. Pin and sew through all thicknesses to side of seam just made in last step. You should have six pockets to stuff later.
16. On the bottom canal, stitch to almost the other side of canal stitching.
Leave just enough to run safety pin and drawstring through.
Biscuits

17. Going through the middle of the pocket with the opening for the drawstring canal, thread your drawstring through using a safety pin to guide your string. Pull and tighten as much as possible. Tie tight and cut off ends. I used approximately 8” of parachord for the bottom drawstring. You must have a long tail to thread through the whole thing though.
Muffins

This is what the bottom looks like before being stuffed.
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18. Stuff your pockets. There are many things to stuff them with. Shredded foam is what we have readily available. Some people use Styrofoam pellets, hay, sheep wool, newspaper. Any type of insulating material. Fill each pocket up to the top without overfilling it.

19. Fold under 3/4” on top edge of inside of bag fabric. Overlapping top of open pocket pin inside bag fabric to outside, closing pockets. Sew.
Breadsticks

20. Thread drawstring through top canal. Make sure there is enough drawstring to
open the bag completely. As I do not have access to a drawstring stop I used a wooden
bead to help prevent the strings from getting pulled into the bag. Also tie a knot in the
ends of the strings. There is nothing more frustrating then getting ready to close
your bag only to discover a string has gotten pulled inside.
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Before your wonder oven can be complete it needs two small pillows.
One to cover the bottom opening and rest the cooking pot on and one
for the top to prevent any heat from escaping the top opening.

Cut four 10 inch circles. With right sides together sew two sets of pillows leaving a
small gap to turn and stuff. Turn and stuff each pillow and sew up the opening.
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Placing a dish towel inside your wonder oven will help
keep it clean and prevent the fabric from scorching.

And that’s how you make your own wonder oven!

Shalom!
The Montañez Family
L’Chaim Pura Vida!

One thought on “Creating Your Own Wonder Oven

  1. Cindy

    Thank you so much for sharing your pattern for the Wonder Bag. My 11 year old son is doing a school project on ways of reducing financial cost for those in our community with a lower income. He has done research on portable rocket stoves and using the wonder bag. He is in the process of finishing up his bag this evening. I would love to have more recipes to try. I am enjoying reading your posts.

    Reply

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