Ingredients
Method
- Heat olive oil in a skillet over medium. Add onion and bell pepper; cook 3–4 minutes until soft.
- Stir in beans, corn, cumin, chili powder, half the lime juice, and salt; cook 2–3 minutes until heated through.
- Mix sour cream, remaining lime juice, lime zest, and a pinch of salt to make the crema.
- Place tostadas on a sheet tray. Top each with bean-corn mix, sprinkle cheese, and broil 1–2 minutes until cheese melts.
- Drizzle lime crema and scatter cilantro before serving.