01 - Preheat oven to 350°F. Grease and line an 8x8-inch baking pan with parchment paper.
02 - In a large mixing bowl, combine melted butter, granulated sugar, and strawberry puree. Whisk until homogenous.
03 - Incorporate eggs and vanilla extract into the wet mixture and whisk until smooth.
04 - In a separate bowl, whisk together all-purpose flour, baking powder, and salt.
05 - Gently fold the dry ingredients into the wet mixture until just combined. Avoid over-mixing.
06 - Pour batter into prepared baking pan and use a spatula to smooth the surface.
07 - Bake for 22 to 25 minutes until edges are set and a toothpick inserted into the center emerges with a few moist crumbs.
08 - Allow to cool completely in the pan before applying glaze.
09 - In a small bowl, whisk together powdered sugar, strawberry puree, and lemon juice until a smooth, pourable consistency is achieved.
10 - Evenly spread strawberry glaze over cooled brownies. Allow glaze to set for 15 minutes, then slice into squares and serve.