1 box vanilla wafers, crushed into fine crumbs
1 large pkg. lemon jello
1 large carton Cool Whip
1 c. nuts
1 can crushed pineapple, drained well

Prepare jello according to package instructions. Let set up partially in refrigerator. Put 1/2 of the vanilla wafer crumbs on the bottom of a 9 x 13-inch pan. Mix jello, pineapple, Cool Whip and nuts well. Pour into pan and cover with remaining wafer crumbs. Chill until completely firm.