Heat oil in a pan over meduim heat. Add onions and garlic and cook for 3 minutes. Add spices and combine. Pop in the black beans (including liquid) and cook for 10 minutes. Add lime juice and season with salt and pepper.
Corn Salsa- Combine all ingredients in a bowl and season with salt and pepper.
Jalapeno Avocado Crema – Combine all ingredients in a high speed blender with 2 tbsp water and a pinch of salt and blend until combined. Loosen with more water if required.
Serve the beans, salsa and cream with warmed soft tacos and a sprinkle of feta.