Marmalade Syrup Cake

Name: Marmalade Syrup Cake
Yield: Serves 8
Ingredients: 50 g ground almonds; 200 g golden caster sugar; 1 tbsp orange marmalade; 6 tbsp orange marmalade, plus 1-2 tbsp to glaze; 1 tbsp toasted, flaked almonds (optional); 120 ml orange juice (about 1 large orange); 125 g cream cheese, at room temperature; finely grated zest of 1 orange; finely grated zest of ½ orange; 1 tsp baking powder; a few physalis (optional); 60 g icing sugar, sifted; 200 g self-raising flour; 4 eggs, lightly beaten; 225 g unsalted butter, softened, plus more for the tin; 60 g light muscovado sugar