01 -
Heat a skillet over medium heat and add olive oil. Pour in salsa and cook for approximately 10 minutes, stirring occasionally, until thickened slightly. Transfer salsa to a bowl and set aside.
02 -
In a small saucepan, warm the mashed black beans over medium-low heat, stirring occasionally, until thoroughly heated. Keep them hot for serving.
03 -
In a dry skillet over medium heat, toast each corn tortilla for about 1 minute per side until slightly crisp and warmed. Stack tortillas and cut into quarters. Cover with a clean kitchen towel to maintain warmth.
04 -
In the skillet used for toasting tortillas, melt butter over medium heat. Gently crack in the eggs and fry to preferred doneness. Season with salt and pepper as desired.
05 -
Place one or two warm tortillas on each plate. Layer with warm black beans and top with a fried egg. Generously spoon over the cooked salsa. Sprinkle with crumbled cotija cheese and garnish with cilantro, avocado, and spring onion according to preference. Serve immediately while hot.