Four-Cheese Stuffed Shells

Directions

1. 1
   Preheat oven to 350°. Cook pasta according to package directions. Meanwhile, in a small bowl, combine 1/4 cup mozzarella cheese, Asiago cheese, ricotta cheese, cottage cheese, chives and 1/2 cup spinach (save the remaining spinach for another use).
2. 2
   Spread 1/2 cup spaghetti sauce into a shallow 1-1/2-qt. baking dish coated with cooking spray. Drain pasta; stuff with cheese mixture. Arrange in prepared dish. Top with remaining spaghetti sauce and mozzarella.
3. 3
   Cover and bake until heated through, 25-30 minutes.
4. 4
   Cool unbaked pasta shells; cover and freeze. To use, partially thaw in refrigerator overnight. Remove from refrigerator 30 minutes before baking. Preheat oven to 350°. Bake as directed, increasing time as necessary to heat through and for a thermometer inserted in the center of 2 or 3 shells to read 165°.