Heat oil in a skillet over medium heat
Warm corn tortillas in the skillet or oven
Fry eggs to your preferred doneness
Warm refried beans in a small saucepan
Spoon beans onto each tortilla
Place a fried egg on top of each tortilla
Spoon ranchero sauce over the eggs
Top with shredded cheese
Add chopped onions
Add diced tomatoes
Add sliced avocado
Add chopped cilantro
Serve with salsa on the side
Serve immediately