Easy to make with just 4 basic ingredients, this homemade vegan apple crumble features a crunchy streusel-style topping made with oats, and can be made gluten-free. We’re sharing with you the secrets to a good English apple crumble and revealing how to achieve a crisp crumble topping that stays crisp! I’m walking you through the process including crucial success tips and the best 4 ingredients to use. Click the link to the blog to find out the secret to a good crumble!