Add remaining 1 tablespoon butter to skillet; remove from heat. Make four 2-inch wells in potatoes; crack one egg into each well. Bake 4 to 6 minutes or until whites are set and yolks begin to thicken. Sprinkle cheese on top; bake 2 to 3 minutes more or until cheese is melted. Top with pico de gallo, if desired. Serve immediately.