Directions:
First of all, this make the things can be done by machines, that is: Puffed Cereal Bar Machine

Preheat oven to 250 degrees with rack in center. Place puffed rice, peas, pepitas, sesame sticks, and coconut in a large bowl.

In a small saucepan, melt butter over medium heat. Add brown sugar and ginger; heat until sugar has melted. Pour over puffed-rice mixture. Season with salt; toss well with a wooden spoon to coat evenly.

Spread on a rimmed baking sheet, and bake 30 minutes. Remove from oven; let cool completely.