In sauté pan over medium-high heat, heat 1 1/2 tsp of oil. Add minced garlic and diced onion. Sauté until onion is translucent, 3 to 5 minutes.
Add scallions, cumin, chili powder and ancho pepper. Sauté 3 minutes.
Add beans. Sauté 3 minutes.
Remove from heat. Lightly mash half of the bean mixture. Cool.
Add egg, flour, cilantro, salt and pepper. Mix well.
Portion bean mixture by shaping each portion into 6 cakes, each 1/2″ thick.
In sauté pan over medium-high heat, heat 1/4 cup of oil. Add bean cakes. Sauté until well browned, 1 to 2 minutes on each side. Set on paper towels to absorb any leftover oil.