Easy Baked Manicotti

2 cups spaghetti sauce, divided
1 egg, lightly beaten
1 3/4 cups Parmesan cheese, grated
1/4 cup pesto
12 manicotti shells, cooked, rinsed in cold water
Spread 3/4 cup spaghetti sauce on bottom of 9 x 13-inch baking dish. Mix egg, cheeses, and pesto until well blended. Spoon cheese mixture into large resealable plastic bag. Using scissors, cut a small [...]