Bean Cakes

1 recipe Boiled Pinto Beans, well drained
1 medium white onion, minced
2 serrano chiles, stemmed and minced
1/4 teaspoon ground cumin
1/2 teaspoon salt
1/4 cup peanut oil
1 cup fresh tomato salsa
1 cup Crema

Mash the beans to a textured pur