I used Silja/Ida sockyarn from Gjestal(26 st = 10 cm/4"), and 3 mm needles.
1. Co 64 stitches. Knit 10 rounds with knit 1, purl 1.
2. Next round: knit 3, purl 1. Keep knitting like this(making stripes as you go along) until you find it long enough(14 cm or so)
3. Knit in a contrast yarn on the first two needles(over 32 st). Make sure you knit alle stitches, no purling here, as this will be under the foot!
4. Go back and reknit these needles with the main yarn, and keep knitting as before(except from under the foot, there will still only bee stockinette stitches here)
5. When the sock is long enough for your foot, make a toe(use your usual one, or take a look at mine at the bottom of this post).
6. Go back to make the heel. Carefully remove the contrast yarn, and put it on 4 needles. I usually try to make it 32 over and 32 under the foot
7. Knit one round while adding two extra stitches on either side of the heel
8. Knit as if to make a toe. When 8 stitches left, either pull the thread through the remaining stitches or use a kitchener bind off.
9. Weave in the ends, and make a second sock! :)
If you want one left sock and one right sock, you mirror the pattern above for the second sock. I usually do that.. ;)
My standard toe for socks like these:
Round 1: Work to 3 sts from end of needle #1, k2tog, k1. K1, ssk at beginning of needle #2. Work to 3 sts from end of needle #3, k2tog, k1. K1, ssk at beginning of needle #4, work to end.
Round 2: Work even (knit all sts).
Repeat the last 2 rounds until there are 6 sts on each needle. Work Round 1 (the decrease round) only until there are 8 sts remaining, 2 sts on each needle. Pull the tread through all the stitches an pull tight. Weave in ends!
Knit the heel the same way, but remember to pick up 2 extra stitches like the pattern above asks for(to prevent holes between instep and heel).
Good luck, and happy knitting! :)