Step 2

Heat the oil in a large skillet over medium-high heat until it shimmers and a pinch of flour sizzles at once. Fry the sardines in batches so the pan stays hot, for 2 to 3 minutes a side, until crisp and golden and the flesh flakes away from the bone.

Step 3

Drain on paper towels to remove excess oil. Serve hot or cold with a slice of lemon.