The pattern is Burda 6590 and it couldn't be easier. Front, back, neckband and waistband. No separate sleeve piece! For alterations, I reduced the length of the sleeve part of the bodice and added a wide wristband.
The first here is this textured poly-cotton sweater knit (unfortunately no longer available here). Despite being a sweater knit, it's a bit on the airy side, so an undershirt or cami is good underneath. It's comfortable and pretty, I think, and I love the scallops.
The second is a cotton sweater knit fabric from Style Maker Fabrics (though also sold out!). It's a really good weight--not too heavy, but nicely substantial. Again, I added wristbands to make the cuffs and shortened the overall length of the sleeves, but otherwise sewed the pattern as designed.
I think I might have enough versions of this style, but it's such a great pattern that I know that if I see some fab fabric I'll definitely whip up another.