Preheat your oven to Gas 4, 180°C, 350°F.
Grease and line your springform baking pan with parchment paper.
Melt the unsalted butter and dark chocolate in a saucepan over low heat, stirring until smooth. Alternatively, you can melt them in the microwave in short bursts, stirring in between.
200 grams Butter, 200 grams 70% Dark Chocolate
Once the chocolate and butter are melted, remove the saucepan and stir in the sugar and vanilla until well combined.
250 grams Golden Caster Sugar, 1 tsp Vanilla Extract
Beat in the eggs, one at a time, using a spatula or whisk. Make sure each egg is fully incorporated before adding the next one.
3 large Eggs
Combine the all-purpose flour, malted milk powder, and cocoa powder well.
85 grams All-Purpose Flour, 40 grams Malted Milk Powder, 40 grams Cocoa Powder
Sift into the chocolate mixture and gently fold until just combined. Be careful not to overmix.
Smash up the Maltesers slightly by placing them in a sandwich bag. Tie it up, but leave a little air to escape. Gently smash the bag using a rolling pin.
100 grams Maltesers
Fold the Maltesers into the mixture and distribute them evenly throughout the batter without over-stirring.
200 grams Dark Chocolate Chips
Pour the brownie batter into the prepared springform baking pan.
Add the remaining Maltesers over the top - optional.
100 grams Maltesers
Bake the brownie in your preheated oven for about 25-30 minutes, or until a toothpick inserted into the center comes out with a few moist crumbs clinging to it. The brownies should be set around the edges but slightly gooey in the middle.
Once baked, remove the brownies from the oven and let them cool in the pan for 10-15 minutes before transferring them to a wire rack.
Put the Malteser spread in a bowl and soften in the microwave for 10-20 seconds, then pour over the brownie - optional.
200 grams Malteser Spread
Cut them into squares and serve as is with fresh cream or even ice cream.