oil • onion, thinly sliced • garlic clove, finely chopped • tortilla chips (about 500 grams) or 20 medium corn tortillas, cut and fried • guajillo chiles, soaked in boiling water, seeded, and cut into strips • arbol chiles • Roma tomatoes • epazote leaves • evaporated milk • salt • chicken bouillon powder • Shredded Manchego cheese, •