Lamb Tagine Slow Cooker – Serves 4 ·         Pack of good quality diced lamb (I used an organic one from Riverford) ·         1 large onion, chopped ·         1 carrot, chopped ·         1 small head of broccoli broken in to florets ·         3 cloves garlic, crushed ·         1 tin chopped tomatoes ·         Zest...