preheat oven to 350 and take out one skillet one stock pot and one bowl

in the bowl mix together ricotta cheese mozzarella sour cream and eggs

in the stock pot boil enough water to boil lasagna noodles

in the skillet brown the meat and drain fat then add remaining ingredients (except four cheese blend)

in a 13 x 9 pan layer noodles then meat sauce ricotta mixture and sprinkle shredded cheese on last

repeat step 5 three times

bake covered for an hour then uncovered for 15 more minutes