Easy Chocolate Brownies | Desserts / Sweets | Umami

Ingredients

• 200g / 14 tbsp unsalted butter (1 3/4 US sticks)
• 200 g / 1 1/4 cups dark chocolate chips (7 oz) (Note 1)
• 1 cup (175g) brown sugar (, loosely packed)
• 3 eggs (, lightly beaten)
• 1 tsp vanilla extract
• 1/2 cup (75g) plain flour
• 1/4 cup (30g) cocoa powder
• Pinch of salt
• 180g/6oz dark chocolate block/bar (optional)
• 1 ½ cups roughly chopped walnuts (or other nuts)