These banana pudding brownies are layered with banana brownie batter and vanilla wafer cookies and swirled with homemade vanilla pudding. They taste just like a bowl of banana pudding in brownie form!
Line a square 8x8 baking pan with parchment paper and preheat the oven to 350°F/180°C.
Cook the milk, sugar, flour, and egg yolk in a small pot over medium-low heat. Stir constantly until it's thick like pudding, about 5-8 minutes. Pour the pudding into a bowl and stir in the butter and vanilla. Set aside.
In a large bowl, whisk together the melted butter, brown sugar, and white sugar. Then whisk in the egg yolk, mashed banana, and vanilla extract.
Fold in the flour, baking powder, and salt until just combined. Then evenly spread half of the batter into the prepared baking pan.
Press the vanilla wafer cookies on top of the batter. Then use a spoon to alternate dollops of the reserved banana batter and vanilla pudding on top. Use a knife or toothpick to swirl the batter and pudding together, then press more vanilla wafers into the top.
Bake for 30-35 minutes or until a toothpick inserted into the center comes out clean. Let the pan of brownies cool completely on a wire cooling rack then cut into 16 small brownies or 9 large ones.
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Notes
*Measure your dry ingredients properly. This is my #1 baking tip! Do not ever scoop a measuring cup into your flour, as this always leads to using too much flour. Instead, use the spoon-level method. This means fluffing the flour first, then spooning it into your measuring cup/spoon. For the BEST results, use a kitchen scale!*Storage: In an airtight container, keep leftover brownies at room temperature for 2-3 days. They are best served onthe day of baking!Freezing: Store the cut or uncut brownies in an airtight container or freezer bag for up to 1 month. Defrost at room temperature before serving.