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"Oh My Goodness – this is the ultimate in sandwiches!! There are too many good things happening between that bagel. I want to eat this for every meal."
– olive oil – yellow onion – arugula – eggs
Heat the oil in a large skillet over medium-high. Add the sliced onion and saute, stirring occasionally, until onions begin to sweat and turn translucent, about 8 minutes.
Sprinkle liberally with sea salt, reduce heat to medium-low, and continue cooking, stirring occasionally, until onions are golden-brown and caramelized, about 45 minutes more.