Vegan Hash with Potatoes and Black Beans - The Pesky Vegan

Ingredients

• 1-2 tablespoons olive oil ((or other cooking oil))
• 3 medium potatoes ((approx. 1.3 lb / 600 g, see notes))
• 1 onion, finely sliced
• 1 red bell pepper, deseeded and finely sliced
• 3 cloves garlic, finely chopped
• 3.5 oz (100 g) sliced greens ((such as spring greens, collard greens, or kale))
• 1x 14 oz (400 g) tin black beans, drained and rinsed
• 1 teaspoon ground cumin
• ½ teaspoon smoked paprika
• Salt and pepper to taste
• Grated vegan cheese, to serve ((optional))
• Fresh parsley, to serve ((optional))