Shrimp and grits
By Sam & Shauna From Saturday Kitchen Ingredients For the shrimp stock 1 tbsp olive oil 250g/9oz raw prawn heads (see below) 2 tbsp flatleaf parsley stalks 2 celery sticks, chopped 4 fresh thyme sprigs 1 red onion, chopped 1 tsp fennel seeds 1 tsp dried oregano 1 bay …