Mix the flour, water, and salt with a whisk in a medium bowl until smooth. Beat in the eggs, one at a time. Set aside for at least 20 minutes.
Heat a small, nonstick skillet over medium-high heat until very hot. Spray very lightly with oil. Make crêpes in the hot skillet by pouring a few tablespoons of batter into the skillet. Swirl to cover the bottom of the s