Make the crumb topping and let it chill in the fridge until ready to use.
Make the fresh strawberry topping by mixing strawberries with sugar and lemon juice.
Make the vanilla cake batter, then spread it into an 8x8 baking pan.
Spread the fresh strawberries on top then sprinkle the chilled crumb over the berries. Bake at 350 for 55 minutes.