Fudgy Oreo Brownies

Ingredients

• 16 Oreo Cookies, roughly chopped (7 for the batter and 9 for the top)
• 130 g (3/4 cup) Dark Chocolate (I used 70% dark chocolate)
• 156 g (1/2 cup + 3 tbsp) unsalted butter
• 97 g (3/4 cup) Plain Flour/all-purpose flour
• 36 g (1/3 cup) unsweetened cocoa powder
• 1 1/4 cup (250 g) granulated sugar
• 1 tsp vanilla extract
• 1/2 tsp salt
• 3 Eggs, Uk medium-size (total weight without shell = 155 g)
• 50 g (1/4cup) Dark chocolate chips
• 50 g (1/4cup) Milk chocolate chips
• 1 tsp instant coffee dissolved in 1 tbsp hot water