Swede and Kale Layer Cake
160g sliced curly kale1 swede, peeled and sliced1 tsp olive oil1 onion, thinly sliced2 garlic cloves, crushed2 rosemary sprigs, leaves only, chopped4 thyme sprigs, leaves only, chopped3 free range eggs150ml semi-skimmed milk50ml single cream60g mature lighter cheese, grated200g mixed leaf...