Huevos Rancheros

Ingredients

• 3 tbsp vegetable oil
• 1 small red onion finely chopped
• 2 garlic cloves finely chopped
• 1 tsp ground cumin
• handful coriander finely chopped
• 400 g tinned black beans drained and rinsed
• 2 limes
• 4 corn tortillas
• 4 fresh free-range eggs
• 1 avocado destoned flesh scoped out and sliced
• 1 red chilli deseeded finely chopped
• 100 g feta crumbled
• chilli sauce optional
• 100 ml Elmlea double cream to serve