Mini Lasagna Cups - don't click through, the site doesn't give you the recipe. just the picture of how-to that is interesting. Use your favorite lasagna recipe and then assemble in cups or in jumbo muffin tins.
For the kiddo who prefers breakfast over lunch, prepare a sweet meal they won't be able to resist. Heart-shaped pancakes, heart-shaped fruit, and strawberry yogurt make for a delicious breakfast-for-lunch lunch box idea!