1. Preheat oven to 375 F (190 C) and grease one ramekin
2. In a small bowl, combine the sliced strawberries, sugar, lemon juice and cornstarch.
3. Stir to coat the strawberries in the rest of the ingredients
4. In a separate small bowl, combine the oats, flour, brown sugar, salt and margarine.
5. Mix to combine Pour the strawberries in the base of the ramekin, then top off with the crumble topping
6. Bake in the preheated oven for 25-30 minutes,until the strawberries are bubbling and the crumble topping is golden brown
7. Allow to rest for 5-10 minutes before serving and enjoy !!