4 c. leftover spaghetti
1 jar sauce
1 lb. sausage cooked and drained
1 container ricotta cheese
2 c. shredded cheese.

Chop spaghetti, mix with sauce, and place half in a prepared lasagna pan.

Layer sausage next.

Layer ricotta cheese next.

Layer remaining spaghetti/sauce mixture next.

Top with shredded cheese.

Bake at 400 for about 35 minutes.