Recipe sounds good and bottle looks cool.
Maybe use a 60's space-like typeface for the writing under Balls to further your space theme? E.g.: https://www.canva.com/learn/wp-content/uploads/2016/05/image29-2-tb-800x0.jpg
If you're in it for it to be a hobby that maybe pays for itself, with the possibility of making a small profit, then go for it.
However, if you truly want it to be a business venture, then a good marketing starting point is determining who/where your market is. Your fam and friends are great...
Yes get an LLC. But also get insurance (I use Hartford), relevant food producer/business license for your state/county/city, and PH certified from a process authority.
My experience is that if someone from work wants to buy something that you did not overtly advertise to sell, then they are genuinely interested and will be more than fair on what they pay. If you just want to get rid of it, let him know of a general market estimate and they will pay that.