Preheat oven to <temperature>350<unit>°F</unit></temperature>

Add <quantity>400<unit>g</unit></quantity> of white sugar and <quantity>280<unit>g</unit></quantity> of all-purpose flour to a mixing bowl

Add <quantity>25<unit>g</unit></quantity> of baking powder and whisk to incorporate

Add <quantity>1½<unit>cups</unit></quantity> of whole milk and whisk together to form a smooth batter

Melt <quantity>125<unit>g</unit></quantity> of unsalted butter, cut into chunks, in pan over high heat. Whisk until the foam bubbles are small and the butter is brown. Transfer to a bowl

Pour the brown butter into the bottom of a heavy baking pan or large cast iron skillet

Add <quantity>2½<unit>cups</unit></quantity> of blueberries in an even layer

Pour the batter over the blueberries

Use a spatula to spread the batter evenly across the top

Sprinkle <quantity>2<unit>tbsp</unit></quantity> of brown sugar on top of the batter

Sprinkle <quantity>1<unit>tbsp</unit></quantity> of cinnamon on top of the batter

Bake the cobbler on a sheet pan in the middle rack for 40m until the top is golden brown. Remove from the oven and let it cool

Spoon some cobbler into small serving bowls. The berry cobbler is ready

Enjoy! It pairs perfectly with vanilla ice cream!