Salty snacks are a staple of any American gathering; the big game is on TV, so make sure there is plenty of chips, tortilla chips and salsa to go around.

Tortilla chips are a party staple. And while traditional versions still soundly resonate with the masses, chip manufacturers have been experimenting with new and interesting flavors, as well as better-for-you versions like organic options and chips based on vegetables or legumes.

According to the "Top 10 Trend Predictions for 2019" from SPINS, Chicago, internationally inspired innovation in nuts and seeds is gaining ground. SPINS says that nuts and seeds are watch-worthy because they're not only protein-rich and easy to eat, but they deliver antioxidants and long-lasting energy.

Puffed and extruded snacks cover a lot of ground: from cheese snacks to multigrain chips and pork rinds, they dominate the snack aisle. And they span a wide range of snacking occasions, from fun and indulgent to mindfully better-for-you.

Ready-to-eat (RTE) popcorn continues to find a willing audience at both ends of the dietary spectrum, with both health-forward and indulgent options seeing growth.

The frozen snacks and appetizers category has seen steady growth over the past few years thanks to the combined avenues of convenience and culinary diversity manufacturers are bringing to market. These products nicely accent the category, finding a home alongside longtime staples that likewise continue to see growth.

No longer relegated to taco night, tortillas are playing a major role in Americans' meal plans, both at home and when dining out.

Snack cakes have always been popular, partially due to the fact that they're so portable - pop one in your purse or in the car, and you've got an "on-the-go" snack. The category continues to grow, with different flavors and trends emerging each year.