Apple Crumble Cake (GF, DF, EF, V)

Replying to @exitmyaccount Apple Cinnamon Crumble Cake Ingredients Apple Filling 500 g Apples, peeled and sliced 100 g Brown Sugar 1 Tbsp Cinnamon 2 Tbsp Water 40 g Butter Pinch of salt 2 Tsp Cornflour mixed with 1 Tbsp Water Cake Batter 125 g Butter, softened 3/4 Cup Sugar 2 Eggs 1 Tsp Vanilla Essence 1 1/2 Cups Flour 2 Tsp Baking Powder Pinch Of Salt 1/2 Cup Plain Yogurt or Maas Crumble 100 g Butter, cold 3/4 Cup Flour 1/2 Cup Brown Sugar 1 Tsp Cinnamon Pinch Of Salt Method Add the apples, bro