Pour 1/4 cup BBQ sauce in bottom of pan and spread evenly. Lay 3 lasagna noodles over sauce, overlapping them as necessary. Spoon 1/3 of meat mixture over noodles. Pour another 1/4 cup of BBQ sauce evenly over meat. Sprinkle with 1/3 of cheese mixture. Repeat layers until ingredients are used up. You should be ending with cheese.