Mediterranean Baked Beans

Ingredients

2 cans (800g) butter beans, rinsed and drained

1 red onion, quartered then sliced

2 garlic cloves, crushed

500g passata

100g sundried tomatoes in oil

1 tsp dried oregano

1 tsp sweet paprika

Pinch sea salt

2 tblspns honey

100g speck, diced

1 big handful of spinach

1 cup feta, crumbled roughly (optional)