Step 1

Heat oven to 350 F and prepare a 9x13 dish with non-stick cooking spray.

Step 2

Turning the onion sideways, slice into ¼ inch rounds and separate the rings.

Step 3

Spread onion rings in baking dish and sprinkle with the salt, garlic powder, and oregano.

Step 4

Slice the butter into approximately 8 pats and place evenly across dish.

Step 5

Sprinkle the Italian blend and cheddar cheese over the onions and then add the parmesan on the very top.

Step 6

Bake for 35-40 minutes or until cheese is starting to bubble and brown.

Step 7

Serve while still hot!