SOUTHERN STYLE DIRTY RICE WITH CRAYFISH

200g pack baby leaf greens • 1 tbsp olive oil • 1 onion, finely diced • 2 celery stalks, finely diced • 1 green pepper, deseeded and roughly diced • 4 British gourmet pork sausages with black pepper, skinned • 1⁄4 tsp cayenne pepper • 1 tbsp Cooks’ Ingredients Cajun Spice Rub • 2 x 250g pack microwaveable long grain rice • 100g pack Waitrose & Partners Cooked and Peeled Crayfish Tails • 3 salad onions, sliced • 4 lemon wedges