"You just need five ingredients for this easy Spanish potato omelette! It's the perfect budget-friendly dinner with a side salad and bread...."
INGREDIENTS
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¼ cup olive oil
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1 medium russet potato, (peeled)
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½ medium Spanish onion, (finely chopped)
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½ teaspoon kosher salt
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5 large eggs
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To finish: more kosher salt or flaky sea salt