Step 1

Preheat oven to 350°F. Line a baking sheet with parchment paper, leaving edges slightly longer to aid in removing brownies from dish once baked.

Step 2

Melt condensed milk and butter together in a medium saucepan on medium heat, stirring frequently. Once melted, remove from heat and add vanilla and brown sugar. Stir to incorporate.

Step 3

Mix in cocoa powder, salt, baking powder, and flour and mix until thoroughly blended. Pour batter into prepared baking dish.

Step 4

Bake for 30 minutes or until middle is just set and sides are slightly crisped.

Step 5

Rest in pan for 5 minutes before using wings of parchment paper to pull brownies from baking dish. To serve, cut into squares and enjoy warm. Cool completely before storing in an airtight container.