Sweet Potato, Silverbeet Feta Rolls

Ingredients

• 750 g sweet potato, peeled, cut into 2cm pieces
• 2 tbsp olive oil
• 2 tsp ground cumin
• 1 tsp smoked paprika
• 1 bunch silverbeet, leaves removed (see tip)
• 1 large brown onion finely chopped
• 2 garlic clove crushed
• 1 egg
• 125 g piece fresh ricotta, crumbled
• 125 g feta, crumbled
• 1/2 cup panko breadcrumbs
• 1 1/2 sheet frozen puff pastry, partially thawed
• Tomato chutney, to serve