Cook Bolognese sauce ingredients in a large pot over med heat, reduce heat and simmer for 1 hr (or 4 hrs on high in a crockpot)
Under-cook lasagna noodles or soak in hot water for 30 min
Mix ricotta filling
Preheat oven 375F. Line pan with foil and oil the bottom and sides. Assemble Lasagna: 1) Bolognese sauce 2) Lasagna noodles i 3) ricotta filling 4) mozzarella, 5) Bolognese 6) lasagna noodles ii 7) ricotta 8) mozzarella 9) Bolognese 10) lasagna noodles iii 11)ricotta 12) mozzarella 13) Bolognese 14) Lasagna noodles iv 15) Bolognese 16) Mozzarella 17) Parmesean
In preheated oven 375F, Cover with foil and bake 25 min. Remove foil and bake another 25 min.