In small saucepan heat butter ... add flour and cook, stirring constantly for 1 ... and bake until manicotti are heated through, 20-25 minutes. ... minutes. Makes 4 servings.
Saute chopped onions in butter ... salt and pepper. Cook, stirring, 3 to 5 ... aside. Parboil 12 manicotti shells according to package directions. ... and filling is hot.