7 month old and food

So these past few days my son has been taking bigger bites and putting more food in his mouth as if he’s been starving for weeks. Yesterday he was eating a teething biscuit and took the biggest bite of it and started chocking the only reason he didn’t was because the biscuits I buy him dissolve pretty quick. Should I only give him purées? He’s really good at chewing and moving his jaw but he’s just been stubborn lately. Please help!