Brookie Ice Cream Sandwiches | Ice-Cream Sandwich

Ingredients

• 400 g dark chocolate (about 70%), plus extra for greasing
• 300 g unsalted butter
• 450 g sugar
• 4 large eggs, plus 2 large egg yolks
• 1 tsp. vanilla bean paste
• 175 g plain flour
• Pinch of salt
• 150 g unsalted butter, softened
• 75 g soft light brown sugar
• 75 g granulated sugar
• 1 large egg
• 225 g plain flour
• 1/2 tsp. bicarbonate of soda
• 1/4 tsp. fine salt
• 200 g dark chocolate chips
• 75 g salted caramel, plus extra to drizzle
• 2 x 400g tubs vanilla ice cream