It's a logo of Big Green Egg reduced to an image of an egg cracked open. The egg looks like it was cracked more towards the north side. It looks just like the logo on Big Green Eggs website.
This BBQ Grill icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,500 icons, all in the same style and quality.