- 4 cups fresh blackberries (you can also use frozen blackberries, but fresh blackberries yield a better texture)
- 3/4 cup granulated sugar (adjust depending on the sweetness of the berries)
- 1 tablespoon lemon juice (adds brightness to the filling)
- 1 tablespoon cornstarch (to thicken the blackberry mixture)
- 1/4 teaspoon ground cinnamon (optional, but it enhances the flavor)
For the Brown Butter Biscuit Topping:
- 1 cup all-purpose flour
- 1/4 cup granulated sugar
- 1 teaspoon baking powder
- 1/4 teaspoon salt
- 1/2 cup (1 stick) unsalted butter
- 1/2 cup whole milk (or use heavy cream for a richer topping)
- 1 teaspoon vanilla extract
For the Brown Butter:
- 1/2 cup unsalted butter
The key to this recipe is the brown butter—a simple, yet transformative ingredient that brings an unmatched depth of flavor to your cobbler.