Preheat oven to 350°F (175°C).
Place butter in a 9x9 baking dish and let it melt in the oven.
In separate bowl, mix flour, sugar, and milk until combined (don’t overmix).
Once the butter is melted, pour the batter into the dish without stirring.
Spoon the fruit evenly over the top, do not stir.
Bake for 40–45 minutes, or until golden brown and bubbling.
Delicious served warm with vanilla ice cream