Preparation

1. Preheat the oven to 350°F (177°C).
2. Grease and line an 18cm (7-inch) square baking pan with parchment paper.

Mix Dry Ingredients

1. In a large mixing bowl, whisk together flour, baking powder, and salt. Set aside.

Melt Butter and Chocolate

1. Place half of the white chocolate in a large mixing bowl.
2. In a medium saucepan, melt the butter over medium-low heat until golden. Pour over the white chocolate and let sit for one minute before stirring until smooth.

Combine Wet Ingredients

1. Stir the light brown sugar into the melted butter and chocolate mixture until well combined.
2. Add the eggs one at a time, fully incorporating each before adding the next.
3. Stir in vanilla and almond extracts.
4. Combine with Dry Ingredients:
5. Gently fold half of the flour mixture into the wet ingredients until just combined, then fold in the remaining flour.
6. Stir in marzipan chunks, remaining white chocolate, and sprinkles.

Bake

1. Pour the batter into the prepared baking pan, spreading evenly.
2. Bake for 35-45 minutes at 350°F (177°C) until golden brown and slightly soft in the center.
3. Let cool in the pan for 30 minutes before transferring to a wire rack to cool completely.

Serving

1. Once cooled, cut into bite-sized pieces and serve.