Air Fryer Hazelnut Brownies

Ingredients

• 2 ounces (60 g) semi-sweet baking chocolate
• 1/4 cup (2 oz or 60 g) butter
• 1 (2 oz or 60 g) whole egg
• 2 ounces (2 oz or 60 g) flour (self-raising)
• 2.5 ounces (70 g) caster sugar
• 1 teaspoon (5 ml) vanilla extract
• 1 ounce (30 g) chopped hazelnuts