Soft foods while you learn a new way to chew.
Dentures require learning to chew by grinding in very small circles with food on both sides at the same time. This takes practice. So, start with things like : applesauce, yogurt, pudding, eggs, bananas, mashed potatoes, noodles, soups, etc. Graduate to soft toast, finely chopped ground beef / turkey/ chicken, and fish. Be patient and eat very slowly.