This week on "Jamie's Quick & Easy Food," Jamie's cooking up his snappy sesame seared tuna, a mouth-watering meal in minutes, and messy meatball buns, feel-good family food that's fast and loaded with flavor. Followed by his irresistibly gooey chocolate rye cookies, home baking at breakneck speed. Then, to top it all off, hearty chicken pot pie, a comforting classic with a quick and easy hack for the perfect crispy crust.