toasting - how do I toast oats so that they are crispy?

I'm playing around with making cereal, and one of the cereals I want to replicate is the "bunches of oats" style, with crispy clusters that include oats. Every time I try to toast oats, though, they get more flavorful but not much more crispy, until they get burnt.My current method: I use minute oats (problem #1?) but otherwise just put them in the oven at 350F. I'd like to avoid adding sugars if possible, but I'm not stuck on that idea if it's not possible....Read more