Question: In addition to cooked and mashed beans accompanying Huevos a la mexicana what food is mixed in the eggs at the end of preparation? 
Sentence (from "Refried beans"): Refried beans (Spanish: "frijoles refritos") is a dish of cooked and mashed beans and is a traditional staple of Mexican and Tex-Mex cuisine, although each cuisine has a different approach when making the dish.
Relevant evidence: Yes