Preheat the oven to 375°F.
In a bowl, toss raspberries, cornstarch, sugar, and vanilla.
Let them macerate for 15 minutes.
In another bowl, whisk together flour, salt, brown sugar, and nutmeg.
Using fork, stir in room temperatuer butter until incorporated and crumbly.
Divide the fruit equally in 8 (4-inch) ramekins.
Add equal amount of crumble topping on each portion of raspberries.
Arrange ramekins on a parchment lined baking sheet to catch any spills.
Bake until fruit is bubbling all over and topping is golden brown, about 35 minutes. transfer the ramekins to a wire rack to cool completely.
Serve with ice cream.