Is my job stealing my money?

I been working for about 3months at a supertmarket at the deli my question is I don't take breaks because the majority of the time I work alone I work full 8 hour days and on my check in log it show I work 7hrs & 45 min therefor not paid for the full 8hrs so I lost 15 min for not taking a break new York state law says everyone must take breaks but will make an exemption for employees who work alone at a certain location just like me so I wanna know if my job can legally deduct 15 or 30 min from me if I don't take a break and not get paid in full