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.

Many snack producers are adding interesting flavors and ingredients to their pretzels. Recent product introductions include pretzel nuggets filled with peanut butter and dark chocolate, as well as more gluten-free options.

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.

Crackers maintain far-reaching appeal. But while the category benefits from increased consumer interest in snacking, crackers have experienced intensified competition from other foods within salty snacks and beyond.

Potato chips are a staple snack and meal accompaniment, a natural pairing with burgers and hot dogs on the grill, or with a sandwich at lunch. And sales are on the rise.

Nearly everyone in the United States has a snack at least once a day, and the frequency of snacking is on the rise. Snacking, for an increasing percentage of the population, is a lifestyle, with multiple eating occasions replacing mealtimes.