Apple Crumble Loaf Cake

Name: Apple Crumble Loaf Cake
Prep time: 20 min
Cook time: 55 min
Total time: 1 h 15 min
Cuisine: European, British
Ingredients: 210gSelf-raising wholemeal flour; 1.5 tspMixed spice; 120gButter (unsalted) (cut into small pieces); 120gBillington's Unrefined Light Muscovado Sugar; 3Egg(s) (free range); 1 tspNielsen-Massey Vanilla Extract; 100gRaisins; 2Apple(s) (, sweet, eating); 3.5 tbspMilk (semi-skimmed); 1Lemon(s) (, juice of); 2 tbspAllinson's Plain White Flour; 15gButter (unsalted) (, cold, cut into cubes); 2 tbspUnrefined demerara sugar; 15gPorridge oats; Toffee sauce (to serve)