Preheat oven to 400° and lightly spray a 9 x 13 baking dish.
Remove hulls, rinse, and cut strawberries in half. Place in a large bowl.
In a medium bowl, whisk sugar, cinnamon, salt and nutmeg together.
Pour sugar mixture over strawberries and stir until strawberries are coated well. Let sit for 5 minutes or so, stirring occasionally.
Pour fruit mixture into a 9 x 13 inch baking dish or a 3 quart baking dish.
Add sliced butter (1/4 cup) on top of the fruit mixture randomly.
In a large mixing bowl, whisk together flour, brown sugar and oats.
Add 1 cup of butter and mix with a pastry cutter until crumbly.
Add the flour mixture on top of the strawberries and spread evenly.
Bake uncovered at 400° for 45-55 minutes, or until topping is golden brown.
Serve warm with vanilla ice cream.