Step 1
Start by heating your oven to 350°F and greasing a 9-inch square baking pan. In a bowl, sift together the all-purpose flour, cake flour, baking powder, and salt. In a separate large bowl, cream the brown sugar and butter together with a mixer until it's nice and smooth. Then, beat in the egg and vanilla until everything is well combined. Gently fold the flour mixture into the wet ingredients, being careful not to overmix. Stir in the strawberries and half a cup of mini marshmallows, then spread the batter evenly in your prepared pan. Finally, sprinkle a couple of tablespoons of mini marshmallows on top before popping it into the oven. Bake for about 25 minutes, or until the center feels set when you gently press it.



