Gluten free chocolate halva cake

Cake

• 180 g unsalted butter softened, plus extra for greasing
• 30 g white sesame seeds
• 100 g blanched almonds
• 150 g caster sugar
• 3 eggs
• 1 tsp natural vanilla extract
• 180 g black tahini (see Tips)
• 30 g gluten free flour mix (see Tips)
• 1 tsp gluten free baking powder (see Tips)

Ganache

• 200 g dark chocolate (gluten free), broken into pieces
• 80 g pouring (whipping) cream