STUFFED CANNELLONI

1 8 ounce package cannelloni
1/4 cup butter
1/4 cup flour
3 cup milk
1 1/2 teaspoons salt, divided
3/4 teaspoons pepper, divided
2/3 cup grated Parmesan cheese, divided
1 tablespoon vegetable oil
1 clove garlic finely chopped
1 onion finely chopped
1 pound lean ground beef
1 10 ounce package frozen chopped spinach, squeezed dry
1 egg
1 teaspoon basil
3 cups prepared tomato pasta sauce, divided

Preheat oven to 350F. Cook pasta according to package directions. Rinse with cold water. Drain well and set aside. To prepare cheese sauce, melt butter in saucepan. Stir in flour and cook for 1 minute; gradually whisk in milk, 1 teaspoon salt and 1/4 teaspoon pepper. Cook, stirring until sauce comes to a boil & thickens. Stir in 1/3 cup Parmesan cheese. To prepare filling, heat oil in large saucepan, add garlic and onion; cook until onion is tender. Add ground beef and stir in spinach, egg, basil and 1/2 teaspoon each of salt and pepper. Add 1 cup cheese sauce, mixing well. Spread 1 1/2 cups tomato sauce into a 13 x 9 baking dish. Fill cannelloni with beef mixture and place in single layer in prepared dish. Cover with remaining cheese sauce and garnish with remaining tomato sauce. Sprinkle with remaining Parmesan cheese. Bake uncovered for 35 to 40 minutes or until sauce bubbles.