Step 1

Pre-heat oven to 375 degrees Fahrenheit. In a large bowl, add all of the filling ingredients and mix until combined and sugar and cornstarch are dissolved. Pour mixture into a 12 inch cast iron skillet, or an oven safe dish with similar measurements*.

Step 2

In a medium sized bowl, add all of the topping ingredients. Using your hands, incorporate the butter with the rest of the ingredients until a soft crumbly mixture is formed. Evenly distribute the topping over the berry mixture. Place into the oven and bake for 40 minutes.

Step 3

Eat warm or cold, enjoy with ice cream if desired.