Coat frozen diced potatoes in mayonnaise and cook over medium heat in a skillet until golden brown. Salt and pepper to taste then add to plates.
Heat oil in a large skillet over medium-high heat. Pat steak dry and season with salt and pepper before placing in skillet then cook each side 4 to 5 minutes. Slice in strips and add to plates.
Cook 4 sunny side up eggs in butter over medium-low heat, covered, until the white of the egg on top becomes firm and non-translucent. Add to plates.
Place pico de gallo and sliced avocado on the plates and then serve.