https://crochetcakes.com/2024/05/04/thermal-oven-mitt-cro...

Add cottage/whimsical charm to your kitchen with the thermal oven mitts. They are fairly quickly to work up and use 2 simple stitches, single crochet and a variation of single crochet, sc thermal stitch. Not only are they a cinch to work up, they will use some of your 100% cotton yarn stash. I know you have some deep in there. No, just me?
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Even though the thermal st produces a thick fabric, lining the oven mitt with fabric and batting is highly encouraged. For this, use once of the crochet oven mitt panels to trace a pattern onto fabric remembering to add at least a 1/4” seam allowance to sew.
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Measurements: 9” Tall from wrist to tip not counting the border. Wrist 5.5” wide not counting the border. Main body of glove: 4.25” Thumb is 2” wide.
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Gauge: In 4” = 14 sts x 21 rows
in thermal stitch, crocheted in
rows with a 6mm crochet hook

Notes: Turning ch does not count as a st
The oven mitt is worked in panels and later seamed at the top and sides to form the oven mitt.
Have a paper and pen handy or a row counter app to mark the number of rows. If you wish to make the wrist section longer, add more rows before the wrist decreases.
BOLD numbers at the end of the row denote st counts.
In this pattern thermal st refers to sc thermal st.