Fried Baked Onions

cooking oil spray
2 large red onions, thinly sliced and separated into rings
Dijon Mustard
1/2 cup old fashioned oats
The following to taste:
Pepper
Kosher salt
Thyme
Rosemary

Coat the onion rings with Dijon mustard, and put them in a gallon Ziploc bag, Add the rest of the ingredients. Shake and coat them thoroughly. Spray a baking sheet with cooking oil and lay the onions singly layered to be then sprayed again. Bake at 450F for about 20-25 minutes, or until golden brown and crispy.