For a gluten-free version, swap all-purpose flour with a 1:1 gluten-free baking blend.
Coconut sugar can replace granulated sugar for a deeper caramel flavor.
Mixed berries can substitute for all blackberries (blueberries and raspberries work beautifully).
For a dairy-free option, use cold coconut oil instead of butter and plant-based milk with lemon juice.
The cobbler keeps at room temperature for up to 2 days, refrigerated for up to 5 days, or frozen for up to 3 months.