Preheat the oven to 240°C.
Slice the tops off the peppers, scoop out and discard the seeds, then rub the peppers all over with a little rapeseed oil, and season with salt and pepper.
Place on a baking tray in the heated oven for 15-20 minutes until soft and blackened a little round the edges.
Meanwhile make the Caesar dressing by grinding the anchovies and garlic in a pestle and mortar, then mix in the remaining ingredients, and season to taste.
Place the pumpkin seeds into a small pan over a medium heat and toast until fragrant and the skins begin to pop.
Place the kale, pumpkin seeds, parmesan shavings and dressing into a large bowl and toss to coat. Spoon the kale into the pepper pots and serve.