I am new to blender and the 3d modeling world. I have modeled a metal mug and am trying to match the lid. I can get it most of the way. But when I try to make the actual handle I use boolean to do the circle cutouts and it makes the handle all wonky. I have tried making the inside of the handle completely filled and then tried using the boolean. but the same thing happens. Any help would be appreciated.
Handle should look like this: