30 minutes, or until the center is set and the edges are golden brown.
Switch your oven to the broil setting and broil for an additional 2 to 3 minutes, watching carefully, until the cheese on top is bubbling and develops beautiful golden-brown spots.
Remove from the oven and allow to cool for at least 10 minutes before cutting into squares. This resting time helps the bites firm up and makes them much easier to slice and serve.
Tips for the Best Results
Dice your onions as finely as possible
4-Ingredient Cheesy Onion Bites That Will Steal the Show at Any Party
