Easy Oil-Free Popcorn Granola

"This easy Popcorn Granola is a mashup of two favorite by-the-handful snacks into one sweet, salty, offbeat treat! This recipe could not be any easier with just 5 ingredients, two of them optional. Air popped popcorn combined with oats makes up the whole grain base. Maple syrup to sweeten and hold it all together. Salt and cinnamon for extra flavor. And ready in just 10 minutes of oven time. This unique snack will remind you of kettle corn with it's delicious salty-sweet flavor, and good luck not eating the whole batch!"