One of today’s trendiest ingredients on restaurant menus and on Instagram is likely nestled in your fridge.

Creative recipes for eggs — that’s right, eggs — are hatching outside the typical breakfast plate. Now you can find eggs on everything from pizzas, burgers, pastas and nachos to protein boxes — a snack box of hard-boiled eggs, nuts and cheese.

And the “Put in Egg on It” trend continues to grow in popularity thanks to social media and consumer demand for back-to-basics, natural foods, says Katie Nola, director of marketing for the Iowa Egg Council.

“Everybody wants all-natural foods, so eggs are always...