mexican lasagna

1 lb of ground beef.12 oz.jar picante sauce. 6 tosfadas or taco shells. 1c. refried beans. 1c. sour cream. 1c. cheddar cheese , shredded. in skillet , brown beef and drain. stir in 1/2 cups of salsa. in 10" pie plate .top w/t taco /tostada shells . top shells with 1/2 of the meat mixtures,and half of the sour cream and cheese. repeat layers. cover with foil and bake at 350o for 30 mins. top with remaining  salsa. add leatuce and tomato, sour cream for garnish. makes 6-8 sennings