He's a picky eater, so if he likes something, you know it has to be really good! Grandpa's Favorite Stroganoff is so delicious that we know you'll grow to love it, too! He doesn't even wait for Grandma to get in the kitchen, he quickly whips up the creamy, beef-and-mushroom-ladened sauce, then adds it atop his other favorite (tender egg noodles) to create the perfect combo and comfort meal for anyone. Grandma has quickly grown to love the days when Grandpa's Favorite Stroganoff is on the…