Baked Onion Rings

Recipe submitted by Judy Hughey
I try very hard not to fry food. This recipe for onion rings is a hit.
Baked Onion Rings
2 medium sweet onions, cut into 1/2 inch slices
3 c low fat buttermilk
4 egg whites
2/3 cup flour
3/4 cup ground cornmeal
1 cup panko bread crumbs
3/4 teaspoon salt
1/2 teaspoon pepper
1/2 teaspoon paprika
nonstick spray like PAM
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Place the sliced onion rings into a large dish and pour buttermilk overtop. You don't have to drown the onions, just make sure they are somewhat submerged as this tenderizes them. Cover tightly and store in the refrigerator for 2 hours. Once the onions have soaked, remove from the refrigerator. Set aside.
Preheat oven to 425F degrees. Line two large baking sheets with parchment paper. In a medium bowl, beat the egg whites. Set aside. In a large shallow dish mix the flour, cornmeal, bread crumbs, and the seasonings together until combined.
Remove each ring from the buttermilk and dip in egg whites. Immediately submerge in the bread crumb mixture, mixing around to coat the onion well. Lay each breaded ring on the baking sheets in a single layer.
When all the rings are breaded, spray each with nonstick spray to "seal" the breading, which will prevent the breading from staying raw and allows it to bake onto the onion rings.
Bake for 15 minutes, remove from the oven and flip each ring using tongs. Then bake for 15 more minutes. (30 minutes total).