Preheat oven to 400 degrees (F).
Melt the butter and spread it on the bottom of a 9x13x2 inch baking pan.
In a bowl, whisk together the biscuit mix, sugar, and milk. Pour the batter into the pan.
Drop the fruit to cover batter evenly. Sprinkle cinnamon on top.
Bake for 30 minutes or until browned and bubbly.
https://cinnamonsugarandalittlebitofmurder.com