Spread 1 cup sauce mixture over bottom of pan. Layer with 1/3 of the spaetzle noodles, a 1/3 of sauce mixture, 1/2 of the cottage cheese mixture, 1/2 of the sauerkraut & 3/4 cup grated cheese. Repeat layers ( spaetzle, sauce, cottage cheese, sauerkraut, spaetzle, sauce). Save grated cheese for last 5 minutes of baking.